Document:

<PAGE>

                                                                   EXHIBIT 10(i)

                    MAKERS OF HIGH PERFORMANCE CERAMICS FOR
                             RESEARCH AND INDUSTRY

                         SALES DISTRIBUTION AGREEMENT

In consideration of the mutual obligations undertaken by Superconductive
Component, Inc., (hereafter the Principal) and Earth Chemical Co., Ltd,
INORGANIC DIVISION (hereafter the Distributor), Address: New Awajimachi Bldg.
6F, 3-14, 1-Chome, Awajimachi, Chuo-ku, Osaka 541-0047, Japan Phone:
011-06-6221-2275 Fax: 011-06-6208-3143. Under this agreement, the parties
agree as follows:

1.  APPOINTMENT OF DISTRIBUTOR

Superconductive Components, Inc. hereby appoints Earth Chemical Co., Ltd
INORGANIC DIVISION as its exclusive sales distributor for the purpose of
conducting sales promotion activities and soliciting orders from potential
customers within the assigned territory of Japan. The assigned territory may
be modified at any time as mutually agreed to in writing by Principal and
Distributor.

2.  PRINCIPAL'S SALES POLICIES

The prices, charges and terms of sales of the product to the distributor
shall be established solely by the Principal, which reserves the right to
modify or alter those terms at any time. The Distributor will determine the
prices, charges and terms of sales to customer in its exclusive territory.
The Distributor will work to insure that it's pricing for the Principal's
product is not unreasonably different from prices charged by competitors for
the same quality and quantity of product.

3.  RESPONSIBILITY OF DISTRIBUTOR

The Distributor agrees to comply with all of Principals sales policies and
operating regulations, which may be issued.

4.  PRINCIPAL - DISTRIBUTOR RELATIONSHIP

Distributor is an independent contractor and is not an employee of Principal
for any purpose whatsoever.  Distributor shall have sole control in the
manner and mean of performing under this agreement. All expenses and
disbursements incurred by Distributor in connection with agreement shall be
born wholly and completely by the Distributor. Distributor does not have any
right, power or authority either "expressed or implied", to make any
warranties or create any contractual obligation on behalf of, or, in the name
of Principal. Distributor shall have the right to appoint and shall be solely
responsible, at their own risk and expense, for any independent agents that
may be engaged by Distributor in regard to this agreement. Such salespeople
and

<PAGE>

employees of Distributor shall not have any claim against Principal for
salaries, commissions, items of cost or other form of compensation or
reimbursement.

5.  EXCLUSIVITY OF PRINCIPAL AND DISTRIBUTOR

The Principal agrees that the Distributor is its exclusive outlet for its
products in the assigned territory, All sales inquiries received directly by
the Principal from the Distributor's exclusive territory will be forwarded to
the Distributor for fulfillment. From time to time there may be customers who
prefer to deal directly with the Principal and in those cases the Principal
and the Distributor will negotiate a fair and reasonable commission on the
sales from the customer. The Distributor agrees that it will exclusively sell
the products of the Principal, being sputtering targets, superconductive and
non-superconductive powders, and Levitators-TM- and other product lines as may
be added by the Principal and mutually agreed to be added to this agreement
by the Distributor. The Distributor is not excluded from, selling the
Principal's product outside its exclusive territory but the customer
protections created by this agreement may not apply.

6.  SALES GOALS IN DISTRIBUTOR'S TERRITORY

The Distributor agrees to work with the Principal to achieve mutually
acceptable levels of sales, by year, in the exclusive territory. These sales
goals are to be established by the Distributor based on information available
on market size, growth, the uniqueness of the Principal's products and
general economic conditions in the exclusive territory. These sales goals
will be included as part of this agreement in an amendment.

6.  INDEMNIFICATION

Principal indemnifies and holds Distributor harmless from and against all
liability or damages, property or personal injury, caused by reason of any
Principal products (whether or not defective) or any act or mission of
Principal, except as might be caused through negligence or wrongful act of
the Distributor, their salespeople or employees. Distributor agrees to
indemnify and hold harmless Principal of and from any loss, damage, claim or
liability arising out of any failure by Distributor to perform it's
obligations under this agreement.

7.  DISTRIBUTOR'S DISCOUNT

Principal agrees to discount prices for products ordered by the Distributor
and accepted by Principal, which are in accordance with the intent and
purpose of this contract. The discount will be 10% from the company's
internally published list price for the quality and volume of tile product
requested by the Distributor. From time to time the Distributor may request
special pricing in order to remain competitive in its territory and the
Principal will make every effort to comply.

8.  TERMINATION OF AGREEMENT

This agreement may be terminated at will for any reason whatsoever by either
party providing thirty (30) day written notice of such election by Registered
Mail to the other party at it's

                                    2

<PAGE>

principal business address. The termination date shall be construed as being
the postmark date on the Registered letter.

9.  ASSIGNMENTS

This agreement shall be assignable by Principal or Distributor without the
prior written agreement and consent by both parties.

10. COMPLETE AGREEMENT

This agreement constitutes tile entire agreement and understanding between
the parties and supersedes all prior agreements and understandings, whether
written or oral. No modification or claimed waiver of any of the provisions
hereof shall be valid unless in writing and signed by tile party against whom
such modification or waive is sought to be enforced.

11. APPLICABLE LAW

This agreement and any amendments hereto shall be governed by and construed
in accordance with the law of the State of Ohio.

12. SEVERABLE PROVISIONS

The provisions of this agreement are sever able; and if any one or more
provisions may be determined to be unlawful, or otherwise unenforceable, in
whole or part, the remaining provisions shall nevertheless be binding and
enforceable.

In witness whereof, the parties have executed this Agreement this _____ day
of _____________, 1999.

<TABLE>
<CAPTION>
Principal:                              Distributor:
<S>                                     <C>
Superconductive Components, Inc.        Earth Chemical Co,, Ltd.
                                        INORGANIC DIVISION

By: /s/ J.R. Gaines, Jr.                By: /s/ Y. Nishihara
   ------------------------------          --------------------------------
    J. R. Gaines, Jr.                       Y. Nishihara

Title: Vice President                   Title: Director
      ---------------------------             -----------------------------

Date: 9/20/99                           Date: 11/15/99
     ----------------------------            ------------------------------
</TABLE>

Encls: Sales Goal Attachment

                                    3

<PAGE>

ATTACHMENT:

SALES GOALS for Earth Chemical Co. Ltd INORGANIC DIVISION for Japan

    Sales value of products sold to Earth Chemical Co., Ltd for distribution
    in Japan

<TABLE>
          <S>                                                 <C>
          August 1999 through July 2000 (First Year)          $ 24,000
          August 2000 through July 2001 (Second Year)         $ 48,000
          August 2001 though July 2002 (Third year)           $ 96,000
          August 2002 through July 2003 (Fourth Year)         $128,000
          August 2003 through July 2004 (Fifth Year)          $160,000
</TABLE>

Assumptions:

1.  Superconductive Components, Inc. sales of core products, superconductive
    and non-superconductive powder, ceramic sputtering targets, Levitators-TM-
    and educational Kits for the calendar year 1998 were as follows:

<TABLE>
<CAPTION>
         PRODUCT LINE                               NET 1998 DOMESTIC SHIPMENTS
         <S>                                        <C>
         Superconductive Powder                              $55,909
         Non-superconductive Powders                          $5,319
         Superconductive Sputtering Targets                  $37,029
         Other Ceramic Sputtering Targets                   $110,655
         Educational Kits                                    $15,402
         Levitators                                          $15,195

         TOTAL                                              $239,509
</TABLE>

These numbers excluded shipments of these products outside the US.

2.  We believe that the market in Japan is equal to the market in the US for
    these specialty products. This is based on published information on the
    level of private and government spending on superconductivity in both
    countries.

3.  The Distributor, as a well respected, world-class manufacturer of
    substrates for superconductor and other thin film applications, maintains a
    large number of customer contacts in the thin film industry so that
    penetration of the market for sputtering targets will proceed along
    existing channels.

4.  Shipments to earth Chemical through 8/31/99 are $8,344 and the current
    backlog is $3,690, for a total for Year-to-Date 1999 of $12,034.

                                    4<PAGE>

                                                                  EXHIBIT 10(j)

                  NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
                            CONTRACT NO. NASB-99090

1.  EFFECTIVE DATE:  April 8, 1999

2.  ISSUING AGENCY:  NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
                     GEORGE C. MARSHALL SPACE FLIGHT CENTER
                     MARSHALL SPACE FLIGHT CENTER, AL 35812

3.  Issuing office Code GP25              4.  Paying office Code BF50

5.  Procurement Request Number(s) and Accounting and Appropriation Data:
    1-9-CO-90291 809/00110 253-02-97-M951-ES-9-00S-000-2550

<TABLE>
<S>                <C>                      <C>                      <C>
6.  DPAS DO-C9     7.  Init. ofc. C030      8.  PPC HS               9.  TPA 18
10. BVS [____]     11. Vendor Code 51344    12. Incr . Funding [X]
</TABLE>

13. Contract Type: FIRM-FIXED-PRICE

14. Submit Invoices To (4 copies unless otherwise specified)
    Paying Office.(Item 4)
    Automated invoice Payment Information:  (256) 544-5566

15. Name/Code/phone/fax of Contract Administrator:
      Rita Mason/GP25-G/256-544-5511/256-544-9081
      Email address: rita.mason@msfc.nasa.gov

16. Contractor Name and Address:
    Super Conductive Component, Inc.
    1145 Chesapeake Avenue
    Columbus, OH 43212                 Discount Terms: 0.5% for net 10 days
    Name and Telephone No. of Contract Administrator:  J.R. Gaines, Jr. -
                                                       (614) 486-0261
    Name and Title of Person Authorized to Sign: J.R. Gaines, Jr.,
                                                 Vice President

Signature /s/ J. R. Gaines, Jr.                                 Date 3/31/99
          ---------------------
          J.R. Gaines, Jr.

17. Contract Value $584,339.00

18. UNITED STATES OF AMERICA By
    Contracting Officer Name G. Earl Pendley, Contracting Officer

      Signature /s/ G. Earl Pendley                             Date 4/08/99
                ------------------
                G. Earl Pendley

<PAGE>

Rights Notice to SBIR data delivered under this contract and the Government
will thereafter treat the data, subject to the provisions of paragraphs (e)
and (f) of the clause, in accordance with such Notice:

                        SSIR Rights Notice (NASA Deviation)

These SBIR data are furnished with SBIR rights under Contract No. 99090_ (and
subcontract _____, if appropriate) . For a period of 4 years after acceptance
of all items to be delivered under this contract, the Government agrees to
use these data for Government purposes only, and they shall not be disclosed
outside the Government (including disclosure for procurement purposes) during
such period without permission of the Contractor, except that, subject to
the. foregoing use and disclosure prohibitions, such data may be disclosed
for use by support Contractors. After the aforesaid 4-year period the
Government has a royalty-free license to use, and to authorize others to use
on its behalf, these data for Government purposes, but is relieved of all
disclosure prohibitions and assumes no liability for unauthorized use of
these data by third parties. This Notice shall be affixed to any
reproductions of these data, in whole or in part.

26. DELIVERY SCHEDULE

The Contractor shall deliver the items required to be furnished by the
contract as follows:

<TABLE>
<CAPTION>
ITEM                                           DELIVERY           SHIPPING
NO.   DESCRIPTION          QUANTITY            DATE               ADDRESS
<S>   <C>                  <C>                 <C>                <C>
</TABLE>
1.    Final New Technology Report (ref. 1852.227-72)

2.    Discs which are successful in accordance with Am Workplan based an
their visual, mechanical and superconductive properties will be delivered (in
accordance with ANL Workplan) to NASA for testing in their gravity
modification apparatus.

3.    Delivery dates of Apparatus for Gravity Shielding Experiments are to be
in accordance with ANL workplan.

*SHIP TO:  Transportation Officer, Building 4471
           National Aeronautics and space Administration
           George C. Marshall Space Flight Center
           Marshall Space Flight Center, AL 35812

MARK FOR   1.  Reports: Distribution Instructions as set forth elsewhere in
               this contract.

           2.  Material: Accountability Property Officer,
               Building 4471, Notify:  ES01/Ron Koczor 4-3078

           3.  All shipments shall be clearly marked to indicate:
                 a.  Contents
                 b.  Contract Number:  NASS-99090
                 c.  Purchase Request No.:  1-9-CO-90291

                                       2

<PAGE>

SOFTWARE DELIVERABLES ONLY:

     Ship to:  ESDI/Ron Koczor MSFC, AL 35812
               Bldg. 4481/Rm# 104A
               MSFC, AL 35812

     Paragraph 9 below does not apply.

27.  MATERIAL INSPECTION AND RECEIVING REPORT (1852.246-72) (JUN 1995)

(a)  At the time of each delivery under this contract, the Contractor shall
furnish a Material Inspection and Receiving Report (DD Form 250 series)
prepared in 6, copies (original and 5 copies).

(b)  The Contractor shall prepare the DD Form 250 in accordance with NASA PAR
Supplement 1846.672-1. The Contractor shall enclose the copies of the DD Form
250 in the package or seal them in a waterproof envelope which shall be
securely attached to the exterior of the package in the most protected
location.

(c)  When more than one package is involved in a shipment, the Contractor
shall list on the DD Form 250, as additional information, the quantity of
packages and the package numbers. The Contractor shall forward the DD Form
250 with the lowest numbered package of the shipment and print the words
"CONTAINS DD FORM 250" on the package.

28.  LIMITATION OF MDS (FIXED-PRICE CONTRACT) (1852.232-77) (MAR 1989)

(a)  Of the total price of items in Paragraph 19, the sum of $271,287 is
presently available for payment and allotted to this contract. It is
anticipated that from time to time additional funds will be allocated to the
contract in accordance with the following schedule until the total price of
said items is allotted:

                         SCHEDULE FOR ALLOTMENT OF FUNDS

              Date                                              Amounts

(b)  The Contractor agrees to perform or have performed work on the items
specified in paragraph (a) above up to the point at which, if this contract
is terminated pursuant to the Termination for Convenience of the Government
clause of this contract, the total amount payable by the Government
(including amounts payable for subcontracts and settlement costs) pursuant to
paragraphs (f) and (g) of that clause would, in the exercise of reasonable
judgment by the Contractor, approximate the total amount at the time allotted
to the contract. The Contractor is not obligated to continue performance of
the work beyond that point. The Government is not obligated in any event to
pay or reimburse the contractor more than the amount from time to time
allotted to the contract, anything to the contrary in the Termination for
convenience of the Government clause notwithstanding.

                                       3

<PAGE>

(c)  (1) It is contemplated that funds presently allotted to this contract
will cover the work to be performed until 11/30/99.

(2)  If funds allotted are considered by the Contractor to be inadequate to
cover the work to be performed until that date, or an agreed date substituted
for it, the Contractor shall notify the Contracting Officer in writing when
within the next 60 days the work will reach a point at which, if the contract
is terminated pursuant to the Termination for Convenience of the Government
clause of this contract, the total amount payable by the Government
(including amounts payable for subcontracts and settlement costs pursuant to
paragraphs (f) and (g) of that clause will approximate 75 percent of the
total amount then allotted to the contract.

(3)  (i)The notice shall state the estimated date when the point: referred to
in subparagraph (2) above will be reached and the estimated amount of
additional funds required to continue performance to the date specified in
subparagraph (1) above, or an agreed date substituted for it.

(ii)  The Contractor shall, 60 days in advance of the date specified in
subparagraph (1) above, or an agreed date substituted for it, advise the
Contracting Officer in writing as to the estimated amount of additional funds
required for the timely performance of the contract for a further period as
may be specified in the contract or otherwise agreed to by the parties.

(4)  If, after the notification referred to in subdivision (3) (ii) above,
additional funds are not allotted by the date specified in subparagraph (1)
above, or an agreed date substituted for it, the contracting Officer shall,
upon the Contractor's written request, terminate this contract on that date
or on the date set forth in the request, whichever is later, pursuant to the
Termination for Convenience of the Government clause.

(d)  When additional funds are allotted from time to time for continued
performance of the work under this contract, the parties shall agree on the
applicable period of contract performance to be covered by these funds. The
provisions of paragraphs (b) and (c) above shall apply to these additional
allotted funds and the substituted date pertaining to them, and the contract
shall be modified accordingly.

(e)  If, solely by reason of the Government's failure to allot additional
funds in amounts sufficient for the timely performance of this contract, the
Contractor incurs additional costs or is delayed in the performance of the
work under this contract, and if additional funds are allotted, an equitable
adjustment shall be made in the price or prices (including appropriate
target, billing and ceiling prices where applicable) of the items to be
delivered, or in the time of delivery, or both.

(f)  The Government may at any time before termination, and, with the consent
of the Contractor, after notice of termination, allot additional funds for
this contract.

(g)  The provisions of this clause with respect to termination shall in no
way be deemed to limit the rights of the Government under the Default clause
of this contract. The provisions of this Limitation of Funds clause are
limited to the work on and allotment of funds for the items set forth in
paragraph (a) above, This clause shall become inoperative upon the allotment
of funds for the total price of said work except for rights and obligations
then existing under this clause.

                                       4

<PAGE>

(h)  Nothing in this clause shall affect the right of the Government to
terminate this contract pursuant to the Termination for Convenience of the
Government clause of this contract.

29.  LIST OF GOVERNMENT-FURNISHED PROPERTY (1852.245-76) (OCT 1988)
     (___X__ Blank check-box indicates N/A)

For performance of work under this contract, the Government will make
available Government property identified below on a no-charge-for-use basis.
The Contractor shall use this property in the performance of .this contract
at (insert location] and at other location(s) as may be approved by the
Contracting Officer. Under the FAR 52.245 Government Property clause of this
contract, the Contractor is accountable for the identified property.

<TABLE>
<CAPTION>
                                                                   DATE TO BE FURNISHED
ITEM             QUANTITY                ACQUISITION COST          TO THE CONTRACTOR
<S>              <C>                     <C>                       <C>
Not Applicable
</TABLE>

30.  CONTINUED USE OF GOVERNMENT- FURNISHED PROPERTY (_X__ Blank
     Check-box indicates N/A)

(a)  If the Contractor makes a written request to the Contracting officer,
the contractor shall be given approval for continued use of any
Government-furnished property, for a period of not less than two years,
transferred under this Phase II contract beginning on the initial date of the
Contractor's Phase III activity.

(b)  Transferred property available for continued use in Phase III has been
specified in 1852.245-76 at Paragraph 29 of this contract.  1852.245-76 shall
govern during the period of performance of this Phase II contract or an
appropriate replacement clause in a Phase III Government contract or contract
modification; thereafter, the remaining portion of the continued use (loan)
period shall be controlled by a separate NASA property loan agreement between
the contractor and NASA, Transferred property does not include facilities,
contractor-acquired property or contract deliverables specified in The
Delivery Schedule (See Paragraph 26).

(c)  Approval for continued use is contingent upon: (i) a written request to
the Contracting Officer that provides evidence of a valid Phase III
commitment for application of products or services developed under this Phase
II contract; (ii) the Government not having an urgent or compelling need for
the property; and (iii) agreement to and execution of an appropriate property
bailment (NASA loan) agreement when the Phase III commitment is with a
non-Federal entity; or (iv) when the Phase III commitment is with a Federal
agency, execution of an appropriate Government contract or contract
modification.

                                       5

<PAGE>

31.  CONTRACTOR-ACQUIRED PROPERTY (____ Blank check-box indicates N/A)

<TABLE>
<CAPTION>
Item Number                        Description                Acquisition Value
<S>                                <C>                        <C>
</TABLE>

NOTE:  The contractor-acquired Property listed above shall be to the Marshall
Space Flight Center upon completion of the contract or a downward adjustment
in the dollar amount listed above for each item not returned will be made to
the contract price.

32.  YEAR 2000 COMPLIANCE (May 1998) (____ Blank check-box indicates N/A)

(a)  Definition: "Year 2000 compliant", as used in this clause, means that
the information technology (hardware, software and firmware, including
embedded systems or any other electro-mechanical or processor-based systems
used in accordance with its associated documentation) accurately processes
date and date-related data (including, but not limited to, calculating,
comparing, and sequencing) from, into, and between the twentieth and
twenty-first centuries, and the years 1999 and 200D and leap year
calculations, to the extent that other information technology, used in
combination with the information technology being acquired, properly
exchanges date and date-related data with it.

(b)  Any information technology provided, operated and/or maintained under
this contract is required to be Year 2000 compliant. To ensure this result,
the Contractor shall provide documentation describing how the IT items or
services demonstrate Year 2000 compliance, consisting of:

______________________________________________ TBD ____________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________

(c)  The Contractor warrants that any IT items or services provided under
this contact that involve the processing of date and date-related data are
Year 2000 compliant. If the contract requires that specific listed products
must perform as a system in accordance with the foregoing warranty, then that
warranty shall apply to those listed products as a system.

(d)  The remedies available under this warranty shall include repair or
replacement, at no additional cost to the Government, of any provided items
or services whose non-compliance is discovered and made known to the
contractor in writing within ___TBD___ days after acceptance. In addition,
all other the terms and limitations of the Contractor's standard commercial
warranty or warranties shall be available to the Government for the IT items
or services acquired under this contract, Nothing in this warranty shall be
construed to limit any rights or remedies the Government may otherwise have
under this contract with respect to defects other than Year 2000 performance.

33.  CLAUSES INCORPORATED BY REFERENCE (52.252-2) (FEB 1998)

This contract incorporates one or more clauses by reference, with the name
force and effect as if they were given in full text. Upon request, the
Contracting officer will make their full text available. Also, the full text
of a clause may be accessed electronically at this address:
http://www.arnet.gov/far/

                                       6

<PAGE>

NOTICE:  The following clauses are hereby, incorporated by reference.

A.  FEDERAL ACQUISITION REGULATION (48 CFR CHAPTER 1) CLAUSES

52.202-1  Definitions (Oct 1995)
52.203-3  Gratuities (Apr 1984)
52.203-5  Covenant Against Contingent Fees (Apr 1984)
52.203-6  Restrictions on Subcontractor Sales to the Government (Jul 1995)
52.203-7  Anti-Kickback Procedures (Jul 1995)
52.203-8  Cancellation, Rescission and Recovery of Funds for Illegal or
          Improper Activity (Jan 1997)
52.203-10 Price or Fee Adjustment for Illegal or Improper Activity (Jan 1997)
52.203-12 Limitation on Payments to influence Certain Federal, Transactions
          (Jun 1997)
53.204-4  Printing, Copying Double-Sided on Recycled Paper (June 1996)
52.209-6  Protecting the Government's Interest When Subcontracting with
          Contractors Debarred, Suspended or Proposed for Debarment (July 1995).
52.211-5  Material Requirements (Oct 1997)
52.211-15 Defense Priority and Allocation Requirements (Sep 1990)
52.215-2  Audit and Records - Negotiation (Aug 1996)
52.215-8  order of Precedence - Uniform Contract Format (Oct 1997)
52.215-14 Integrity of Unit Prices (Oct 1997)
52.215-17 Waiver of Facilities Capital Cost of Money (Oct 1997)
          (____ Blank check box indicates N/A)
52.219-8  Utilization of Small, Small Disadvantaged, and Women-Owned Small
          Business Concerns (Jan 1999)
52.222-3  Convict Labor (Aug 1996)
52.222-26 Equal Opportunity (Apr 1984)
52.222-35 Affirmative Action for Disabled Veterans and Veterans of the Vietnam
           Era (Apr 1998)
52.222-36 Affirmative Action for Workers with Disabilities (Jun 1998)
52.222-36 Employment Reports on Disabled Veterans and Veterans of the Vietnam
          Era (Apr 1998)
52.223-2  Clean Air and Water (Apr 1984)
52.223-6  Drug-Free Workplace (Jan 1997)
52.225-3  Buy American Act - Supplies (Jan 1994)
52.225-11 Restrictions on Certain Foreign Purchases (Aug 1998)
52.227-1  Authorization and Consent (Jul 1995) -- Alternate I (Apr 1984)
52.227-2  Notice and Assistance Regarding Patent and Copyright Infringement
          (Aug 1996)
52.227-11 Patent Rights -- Retention by the Contractor (Short Form) (Jun
          1997) -- As Modified by NASA FAR Supplement 18-52.227-11
52.227-16 Additional Data Requirements (Jun 1987)
52.227-20 Rights in Data -- SBIR Program (Mar 1994)
52.229-3  Federal, State and Local Taxes (Jan 1991)
52.229-5  Taxes - Contracts Performed in U.S. Possessions or Puerto Rico
          (Apr 1984)
52.232-2  Payments under Fixed-Price Research and Development Contracts
          (Apr 1984)
52.232-8  Discounts for Prompt Payment (May 1997)
52.232-9  Limitation on Withholding of Payments (Apr 1984)
52.232-11 Extras (Apr 1984)

                                       7

<PAGE>

52.232-16 Progress Payments .(Jul 1991) - Alternate I (Aug 1987) (the
          Progress Payment Clause of this contract is modified to change each
          mention of the progress payment rate and the ordinary liquidation
          rate (excepting paragraph (k), Limitation on Undefined Contract
          Actions, to 100%.)
52.232-17 Interest (Jun 1996)
52.232-23 Assignment of Claims (Jan 1986)
52.232-25 Prompt Payment (Jun 1997) (Insert 30th clay in subparagraph (b)(2))
52.232-33 Mandatory Information for Electronic Funds Transfer Payment (Aug 1996)
52.233-1  Disputes (Oct 1995)Alternate I (Dec 1991)
52.233-3  Protest After Award (Aug 1996)
52.242-13 Bankruptcy (Jul 1995)
52.243-1  Changes -- Fixed Price (Aug 1987) -- Alternate V (Apr 1984)
52.245-2  Government Property (Fixed-Price Contracts) (Dec 1989) Alternate I
          (Jul 1995)
52.246-7  Inspection of Research and Development -- Fixed Price (Aug 1996)
52.246-16 Responsibility for Supplies (Apr 1984)
52.246-23 Limitation of. Liability (Feb 1997)
52.246-25 Limitation of Liability -- Services (Feb 1997)
52.247-34 F.O.B. Destination (Nov 1991)
52.249-2  Termination for convenience of the Government (Fixed-Price) (Sep 1996)
52.249-9  Default (Fixed-Price Research and Development) (Apr 1984)
52.252-6  Authorized Deviations in Clauses (Apr 1984) (Insert "NASA PAR
          Supplement (48 CFR Chapter 18)" in paragraph (b))
52.253-1  Computer Generated Forma (Jan 1991)

B.  NASA/FAR SUPPLEMENT (48 CFR CHAPTER 18) CLAUSES

1852.215-84  Ombudsman (Oct 1996) (Insert "Sidney P. Saucier at (256)
             544-1919" and "Before consulting with any ombudsman, interested
             parties must try to resolve choir concerns with the contract
             specialist or the contracting officer. DO NOT CALL THE OMBUDSMAN
             FOR SOLICITATION REQUESTS/INFORMATION")
1852.219-74  Use of Rural Area Small Business (Sep 1990)
1852.219-76  NASA 8 Percent Goal (Jul 1997)
1852-227-72  Designation of New Technology Representative and Patent
             Representative (Jul 1997) (Insert "New Technology
             Representative, C030, MSFC, AL 35812 and Patent/Chief,
             Intellectual Property Counsel, CC01, MSFC, AL 35812" in
             paragraph (a))
1852.232-82  Submission of Requests for Progress Payments (Mar 1989)
1852.235-70  Center for AeroSpace information (Jun 1998)
1852.235-71  Key Personnel and Facilities (Mar 1989) (Insert "Key
             Personnel/Position/Title: 'Dr. Suvankar Sengupta/Chief
             scientist' and Facilities/Location: SCI/Columbus, Ohio 43212" in
             paragraph (c))
1852.244-70  Geographic Participation in the Aerospace Program (Apr 1985)
1852.245-70  Contractor Requests For Government-Owned Equipment (Jul 1997)

                                       8

<PAGE>

1852.245-73  Financial Reporting of NASA Property in Custody of Contractors
             (Sept 1996) (Insert in paragraph (b) GP12/Property Management,
             National Aeronautics and Space Administration, George C.
             Marshall Space Flight Center, Marshall Space Flight Center, AL
             35812") (____ Blank check box indicates N/A)
1852.246-71  Government Contract Quality Assurance Functions (Oct 1968)
             (Insert "Final inspection and acceptance of all deliverables by
             the Contracting officer at MSFC, AL")

C  REPRESENTATIONS, CERTIFICATIONS, AND OTHER STATEMENTS OF OFFERORS OR
   QUOTERS INCORPORATED BY REFERENCE

The Representations, Certifications, and Other Statements of Offerors or
Quoters as completed by the Contractor are hereby incorporated. in their
entirety by reference, with the same force and effect as if they were given
in full text.

34.  REPORTS OF WORK

A.   Quarterly Progress Reports

The Contractor shall submit separate quarterly progress reports of all work
accomplished during each quarter of contract performance, Reports shall be in
narrative form, and brief and informal in content. Quarterly reports shall
Include:

1.  A quantitative description of work performed during the period;
2.  An indication of any current problems which may impede performance or
    impact program schedule or cost, and proposed corrective action;
3.  A discussion of the work to be performed during the next quarterly
    reporting period,
4.  In addition, the following shall be included:
    (a) Total cumulative costs incurred as of the report date and anticipated
    coats to be incurred for the following quarter;
    (b) Estimate of cost to complete contract;
    (c) Estimated percentage of physical completion of contract.

The report required by Paragraph A above shall be submitted in, the number of
copies and to the addresses indicated in Paragraph D below entitled "Reports
Distribution," within ten (10) days following the period to be reported.

B.   Final Report

The contractor shall submit a Final Report within twenty four (24) months
from the effective date of this contract. The report shall be In narrative
form documenting and summarizing the results of the entire contract work. The
Final Report shall include a single-page project summary as the first page,
identifying the purpose of the research, a brief description of the research
carried out and the research findings or results. The potential applications
of the project results in Phase III both for NASA purposes and for commercial
purposes shall also be included. The project summary is to be submitted
without restriction for NASA publication. The balance of the report should
indicate in detail the project

                                       9

<PAGE>

objectives, work carried out results obtained, and assessment of technical
feasibility, Rights to this date shall be in accordance with clause
52.227-20, Rights in Data -- SBIR Program (Mar 1994)(NASA Deviation).

The final report shall also serve as the last quarterly report.

C.  Report Documentation Page

The Contractor shall include a completed Report Documentation Page (Standard
Form 298) as the final page of the each report submitted in Paragraphs A. and
B. above.

D.  Reports Distribution

Reports shall be distributed in the quantities indicated below. The reports
to NASA shall be addressed as follows:

    NASA/MSFC

    Attn: (Mail codes shown under "Report" below)
          Marshall Space Flight Center, AL 35812

                                    REPORTS
<TABLE>
<CAPTION>
                                     Quarterly              Final
<S>                                  <C>                    <C>
GP25-G                               1*                     Original
AT01D                                3                      4
C030/New Technology                  0                      1
Representative
C)30/Stinson                         1                      1
BROI/Stewart                         1                      1

                                     Quarterly              Final
COTR named in Delegation             l                      5**
Appointment Letter

SBIR/STTR Program Manager            ONLY SINGLE PAGE
Code 705                             PROJECT SUMMARY OF
Goddard Space Flight Cantor          FINAL REPORT
Greenbelt, MD 20771

NASA Center for                      2**                    2**
AeroSpace Information
Attn:  Accessioning Department
7121 Standard Drive
Hanover, Maryland 21076-1320
</TABLE>

                                      10

<PAGE>

*Copy of letter of transmittal plus copy of technical report
**One copy must be reproducible; one 3.5 inch diskette (ASCII).

NOTE: Only Unclassified reports shall be submitted. to the NASA Center for
AeroSpace Information (CASI) (Ref. NASA FAR Supplement 18-27.406(b)(v)). The
Contractor shall clearly mark all reports submitted to CASI and NASA -
"INFORMATION CONTAINED HEREIN IS PROPRIETARY FOR 4 YEARS IN ACCORDANCE WITH
PAR 52.227-20."

35.  STATEMENT OF WORK

The Contractor's proposal, number 97-1-II, entitled "Demonstrate the
Feasibility of Fabricating a Large Scale Dula Microstructure YBCO Toroid with
a Magnetically Driven Rotation/Leviation System Suitable for Gravity
shielding Experiments," is hereby incorporated into this contract by
reference as the Statement of Work. THE FOLLOWING PAGES OF THE SAID PROPOSAL
CONTAIN PROPRIETARY INFORMATION, AND SHALL THEREFORE NOT BE RELEASED OUTSIDE
OF THE GOVERNMENT: Part 4: Results of the Phase 1 Project and Part 5: Phase
II Technical Objectives. The above stated information applies to all
Subcontractors included in the above proposal.

The Contractor shall disclose new technology discovered under this contract
using the NASA Form 1679. interim and final now technology reports are also
required for all NASA-funded research contracts and subcontracts. For
additional information or to obtain disclosure, interim, or final new
technology report forms, contact the NASA Marshall Space Flight Center
Technology Utilization Office at 256-544-1933.

The Contractor shall send the name, address, and telephone number of the New
Technology Representative responsible for submitting the New Technology
Reports to the Technology Utilization Office at the address listed in the
Reports of Work clause of this contract. The Contractor must include the
contract number with the submission of the New Technology Representative.

                                      11

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