Document:

Exhibit 10.15

       Second Amendment to Loan and Security Agreement

     This Amendment to Loan and Security Agreement
("Amendment") dated as of February 19, 1999 by and among
Fleet Capital Corporation ("Lender"), a Rhode Island
corporation with an office at 200 Glastonbury Boulevard,
Glastonbury, Connecticut 06033; and Rheometric Scientific,
Inc. ("Borrower"), a New Jersey corporation with its chief
executive office and principal place of business at One
Possumtown Road, Piscataway, New Jersey  08854.

                         Background

     A.   On February 23, 1996, Lender entered into a Loan
and Security Agreement (as amended by a certain Amendment to
Loan and Security Agreement dated March 31, 1998, the "Loan
Agreement") with Borrower and, in connection therewith,
Borrower executed and delivered certain other documents and
instruments (together with the Loan Agreement, the "Loan
Documents").

     B.   On or about August 12, 1998, Lender notified
Borrower ("Termination Notice") that the Revolving Credit
Facility would terminate on the last day of the Original
Term (February 23, 1999).

     C.   The parties desire to further amend the Loan
Agreement in the manner hereinafter set forth.

     D.   Capitalized terms used herein which are not
defined herein shall have the meanings given thereto in the
Loan Agreement.

     E.   All amendments effected hereby are, unless
otherwise stated herein to the contrary, effective as of the
date hereof.

     NOW THEREFORE, intending to be legally bound, the
parties agree as follows:

     1.   Extension of Revolving Credit Facility.

          The Revolving Credit Facility shall be extended to
and terminate as of May 21, 1999 with no further extension
of any kind (under any automatic renewal feature or
otherwise) absent the further written approval of Lender
(subject to its sole and absolute discretion).  Subject only
to the extension of the Original Term described in the
preceding sentence, nothing herein contained shall be deemed
to nullify or alter the Termination Notice or the effect
thereof.

     2.   Letter of Credit Extension.

          The parties further agree that the expiry date of
the Letters of Credit shall be extended to May 21, 1999 and
accordingly the LC Guarantee issued by Lender on Borrower's
behalf to support the Letters of Credit shall continue in
effect for the purposes hereof.  Borrower confirms that the
present face amount of the German Credit is

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DM1,224,000, of the UK Credit is GBP620,000 and of the
Japanese Credit is JPY240,000,000.

     3.   Reduction of Facility Limit, Inventory Sublimit.

          a.   Facility Limit.  As of the date hereof, the
Facility Limit (presently at $10,4000) shall be permanently
reduced to $10,000,000.

          b.   Inventory Sublimit.  As of the opening of
business on Wednesday (or, if not a Business Day, on the
first Business Day thereafter) of each week, the sublimit on
inventory advances referred to in subsection (b)(ii)(A) of
the definition of "Borrowing Base" in the Loan Agreement
(which sublimit is presently at $4,900,000) will continue to
be permanently and automatically decreased by $25,000.

     4.   Conditions.  As a condition to the effectiveness
of the paragraphs 1 and 2 hereof, Borrower will, prior to or
concurrently with the execution hereof, pay to Lender an
amendment fee in the amount of $25,000.

     5.   Reimbursement of Expenses.  Borrower shall, upon
Lender's demand, reimburse Lender for all reasonable costs
and expenses (including, without limitation, reasonable
attorneys' fees) incurred by Lender in the negotiation and
preparation of this Amendment.

     6.   Reaffirmation.  This Amendment is deemed
incorporated into the Loan Agreement.  Borrower hereby
confirms that except to the extent set forth above, the Loan
Agreement and other Loan Documents will remain unchanged and
in full force and affect and Borrower hereby ratifies and
reaffirms all of its obligations thereunder and agrees that
all Collateral, liens, and security interests at any time
granted by Borrower to Lender shall continue unimpaired and
in full force and effect and shall continue to cover and
secure all Obligations.  In consideration of Lender's
undertakings herein, Borrower hereby releases, remises and
forever discharges (and agrees never to assert, defend or
counterclaim against) Lender, its agents, representatives,
employees, successors and assigns, whether such persons are
known or unknown, from all actions, suits, claims,
covenants, judgments, liabilities, rights, setoffs, demands
and defenses of every kind and nature whether now known or
unknown or now or hereafter existing or arising, at law or
in equity, which Borrower no has, arising from or related to
any act or omission by Lender or any such agents,
representatives, employees, successors or assigns through
the date hereof in connection with the consideration,
negotiation, consummation, administration and/or enforcement
of the Loans and/or the Loan Documents, including this
Amendment.

     7.   New Representations and Covenants.  The Borrower
hereby represents and warrants that (a) no Default or Event
of Default exists under the Loan Agreement, (b) this
Amendment has been duly authorized, executed and delivered
by and constitutes the legal, valid and binding obligation
of the Borrower, enforceable in accordance with its terms,
and (c) the Borrower has reviewed the areas within its
business and operations which could be adversely affected
by, and has developed or is developing a program to address
on a timely basis, the risk that certain computer
applications used by the Borrower and its Subsidiaries (or
any of its material suppliers, customers or vendors) may be
unable to effectively

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<PAGE>

interpret, process and manipulate data and recognize and
perform properly date-sensitive functions involving dates
prior to, on and after December 31, 1999 (the "Year 2000
Problem").  To the best of the Borrower's knowledge, the
Year 2000 problem will not cause any material adverse effect
with respect to Borrower's business, financial condition,
prospects, or ability to repay and perform its obligations
to Lender ("Material Adverse Effect").  Borrower covenants
and agrees that it shall take all action necessary to assure
that the computer-based systems utilized by Borrower and
each of its Subsidiaries will be able to effectively
interpret, process and manipulate data, including dates
before, on and after December 31, 1999.  At Lender's
request, Borrower shall provide to Lender assurance
reasonably satisfactory to Lender that the computer-based
systems utilized by the Borrower and each of its
Subsidiaries, for which the inability to process and
manipulate data involving dates before, on and after
December 31, 1999 would have a Material Adverse Effect, are
able to recognize and perform without material error
functions involving dates before, on and after December 31,
1999.

     8.   Counterparts.  This Amendment may be executed in
any number of counterparts, each of which so executed shall
be deemed to be an original, and such counterparts together
shall constitute one and the same instrument.

     IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be executed and delivered by their duly
authorized officers as of the day and year first above
written.

ATTEST:                                 Rheometric Scientific, Inc.

                                        By:    /s/ Joseph Musanti

Secretary                                 Title:  V.P. Finance

                                        Fleet Capital Corporation

                                        By:
                                        Title:

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<PAGE>Exhibit 10.16

       Third Amendment to Loan and Security Agreement

     This Third Amendment to Loan and Security Agreement
("Amendment") dated as of November 12, 1999 by and among
Fleet Capital Corporation ("Lender"), a Rhode Island
corporation with an office at 200 Glastonbury Boulevard,
Glastonbury, Connecticut 06033, and Rheometric Scientific,
Inc. ("Borrower"), a New Jersey corporation with its chief
executive office and principal place of business at One
Possumtown Road, Piscataway, New Jersey  08854.
                         Background

     A.   On February 23, 1996, Lender entered into a Loan
and Security Agreement (as amended by a certain Amendment to
Loan and Security Agreement dated March 31, 1998 and Second
Amendment to Loan and Security Agreement dated February 19,
1999, the "Loan Agreement") with Borrower and, in connection
therewith, Borrower executed and delivered certain other
documents and instruments (together with the Loan Agreement,
the "Loan Documents").

     2.   The parties desire to further amend the Loan
Agreement in the manner hereinafter set forth.

     3.   Capitalized terms used herein which are not
defined herein shall have the meanings given thereto in the
Loan Agreement.

     NOW THEREFORE, intending to be legally bound, the
     parties agree as follows:
     1.   Extension of Revolving Credit Facility.  The
Revolving Credit Facility shall be extended to and terminate
as of November 30, 2000  with no further extension of any
kind (under any automatic renewal feature or otherwise)
absent the further written approval of Lender (subject to
its sole and absolute discretion).

     2.   Letter of Credit.  The parties acknowledge and
agree that no Letters of Credit or LC Guaranties are
currently outstanding and that Lender has no obligation or
duty and has made no undertaking or commitment to issue any
additional letter of credit or guaranty any letter of credit
or reinstate, extend or renew any Letter of Credit or LC
Guaranty previously issued.

     3.   Facility Limit.  As of the date hereof, the
Facility Limit (presently at $10,000,000) shall be
permanently reduced to $6,500,000.

     4.   Inventory Sublimit.  As of the opening of business
on Wednesday (or, if not a Business Day, on the first
Business Day thereafter) of each week, the sublimit on
inventory advances referred to in subsection (b)(ii)(A) of
the definition of "Borrowing Base" in the Loan Agreement
(which sublimit is presently at $3,875,000) will continue to
be permanently and automatically decreased by $25,000.

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<PAGE>

     5.   Advances Rates.  Each of the respective advance
rates contained in subsections (b)(i) and (b)(ii)(B) of the
definition of "Borrowing Base" in the Loan Agreement will be
permanently and automatically reduced (a) by eight (8)
percentage points on February 28, 2000 and (b) by two (2)
percentage points on the last day of each succeeding
calendar month.  The parties acknowledge that the existing
advance rate under subsection (b)(i) is 69%, under
subsection (b)(ii)(B)(I) is 84% and under subsections
(b)(ii)(B)(II) and (III) is 34%.

     6.   Reserves.  Independent of any other reserve which
may exist, for any reason, at any time, the existing reserve
of $442,000 in the Borrowing Base (previously created in
conjunction with the German Credit) shall continue in effect
as a continuing protection to Lender (notwithstanding the
draw on the German Credit) in view of Lender's
accommodations and agreements hereunder.

     7.   Extension Fee.  In consideration of Lender's
agreements and undertakings hereunder, Lender has earned and
Borrower shall unconditionally owe to Lender a non-
refundable renewal fee of $1,000 per day for each day
commencing November 1, 1999 through the date on which full
payment of the Obligations is received by Lender (payment of
such fees to be made on such days as Lender may from time to
time determine and may, at Lender's option, be obtained by
Lender's charging Borrower's loan account).

     8.   Financial Covenants.  Section 9.3 of the Loan
Agreement is modified as follows:

          (a)  Subsection (B) modified to provide that
compliance with the Adjusted Tangible Net Worth covenant
will hereafter be measured on a quarterly basis, commencing
on December 31, 1999 and continuing on the last day of each
quarter thereafter.

          (b)  Subsection (C) is modified to provide that
the minimum Cash Flow requirement as of December 31, 1999
shall be $400,000 (measured for the three month period
ending on such date), as of March 31, 2000 shall be $450,000
(measured for the six month period ending on such date), as
of June 30, 2000 shall be $700,000 (measured for the nine
month period ending on such date), and as of September 30,
2000 shall be $850,000 (measured for the twelve month period
ending on such date).

          (c)  Each of Subsection (B) and (C) are modified
so that in measuring, respectively, Adjusted Tangible Net
Worth and Cash Flow, accrued and unpaid interest under the
Axess Notes (as defined in the Subordination Agreement of
February 23, 1996 between Axess Corporation, Lender and
Borrower) will be added back to the calculation.

     9.   Reimbursement of Expenses.  Borrower shall, upon
Lender's demand, reimburse Lender for all reasonable costs
and expenses (including, without limitation, reasonable
attorneys' fees) incurred by Lender in the analysis,
preparation and negotiation of this Amendment.

     10.  Reaffirmation.  This Amendment is deemed
incorporated into the Loan Agreement.  Borrower hereby
confirms that except to the extent set forth above, the Loan

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<PAGE>

Agreement and other Loan Documents will remain unchanged and
in full force and effect.   Borrower hereby ratifies and
reaffirms all of its obligations thereunder and agrees that
all Collateral, liens, and security interests at any time
granted by Borrower to Lender shall continue unimpaired and
in full force and effect and shall continue to cover and
secure all Obligations.  In consideration of Lender's
undertakings herein, Borrower hereby releases, remises and
forever discharges (and agrees never to assert, defend or
counterclaim against) Lender, its agents, representatives,
employees, successors and assigns, whether such persons are
known or unknown, from all actions, suits, claims,
covenants, judgments, liabilities, rights, setoffs, demands
and defenses of every kind and nature whether now known or
unknown or now or hereafter existing or arising, at law or
in equity, which Borrower now has, arising from or related
to any act or omission by Lender or any such agents,
representatives, employees, successors or assigns through
the date hereof in connection with the consideration,
negotiation, consummation, administration and/or enforcement
of the Loans and/or the Loan Documents, including this
Amendment.

     11.  Representations.  The Borrower hereby represents
and warrants that (a) no Default or Event of Default is
outstanding under the Loan Agreement, (b) this Amendment has
been duly authorized, executed and delivered by and
constitutes the legal, valid and binding obligation of the
Borrower, enforceable in accordance with its terms.

     12.  Counterparts.  This Amendment may be executed in
any number of counterparts, each of which so executed shall
be deemed to be an original, and such counterparts together
shall constitute one and the same instrument.

IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be executed and delivered by their duly
authorized officers as of the day and year first above
written.

ATTEST:                                 Rheometric Scientific, Inc.

                                        By:    /s/ Joseph Musanti
Secretary                               Title:  V.P. Finance

                                        Fleet Capital Corporation

                                        By:  /s/ John W.Staneski
                                        Title: V.P.

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