Document:

SECURED INSTALLMENT NOTE

$890,000.00                                     New York, New York
 August 13, 1999

         FOR VALUE RECEIVED, NOVEX SYSTEMS INTERNATIONAL, INC., a corporation of
the State of New York,  promises to pay in lawful monies of the United States of
America, to the order of

                              DIME COMMERCIAL CORP.

                           1180 Avenue of the Americas

                                    Suite 510

                       New York, New York 10036 ("Lender")

or at such place as lender may  from thime  to  time designate  in  writing, the
principal  sum of  eight hundred ninety  thousand  (890,000.00)  dollars  (the
"Loan"), together with interest as hereinafter provided,  computed from the date
hereof, in thirty-seven (37) consecutive  monthly  installments in the following
manner and upon the following terms and conditions:

1. Seven (7) consecutive  monthly  payments of interest only,  then  twenty-nine
(29)  consecutive  monthly  principal  installments  of  $7,722.23  each  and  a
thirty-seventh  (37) and final principal  installment of  $666,055.33,  together
with  interest  as  hereinafter  provided.  Such  installments  are  to be  paid
commencing on the first day of September 1999 and on the first day of each month
thereafter  until  September 1, 2002.  All payments of interest and principal or
prepayments of principal,  howsoever  designated by the  undersigned,  are to be
applied  first on account of  interest  on the unpaid  balance of the  principal
indebtedness,   and  the  balance,   if  any,  on  account  of  said   principal
indebtedness.

2. The  undersigned  shall  pay to Lender  interest  upon any  unpaid  principal
balance advanced  hereunder or under the terms of the Security  Agreement at the
close of each day,  which  interest  shall be due and  payable  to Lender on the
first  Banking  Day of the  following  month.  Any failure or delay by Lender in
presenting  invoices for interest shall not discharge or relieve the undersigned
of its obligation to make such interest payments.  The interest rate which shall
be used to  calculate  the  amount  of  interest  due  each  month  shall be the
Reference  Rate of  interest in effect  during the period for which  interest is
being calculated plus two (2) percentage points per annum. The interest due each
month shall be paid by undersigned  or, at the option of Lender,  charged to any
checking or loan account maintained by the undersigned with Lender or any Lender
Affiliate,  but if not paid  within  ten (10) days of the  close of each  month,
interest may, at Lender's discretion, be added to the undersigned's loan account
balance.  Interest  shall be  calculated  on the basis  that one day  represents
1/360th of a year. For the purposes of this obligation,  "Reference Rate," which
is determined periodically,  means the rate established by The Dime Savings Bank
of New York,  FSB.  from  time to time at is  principal  domestic  office as its
reference-lending  rate for domestic  commercial loan.  Lender may make loans to
customers  above,  at or below the Reference  Rate.  The  Reference  Rate may be
changed from time to time by Lender without notice to the  undersigned and shall
be effective on the date any such change occurs.

3. Anything  herein to the contrary  notwithstanding,  upon the  occurrence  and
during the  continuance  of an Event of Default  hereunder or under the Loan and
Security  Agreement dated even date herewith as it may be  subsequently  amended
and/or  modified  (collectively,  the "Security  Agreement"),  the interest rate
charged to the undersigned  shall, at Lender's  discretion,  be increased to the
Reference Rate plus four (4) percentage points per annum.

4. Anything herein to the contrary notwithstanding,  if any scheduled payment of
interest or principal  due  hereunder is received  more than ten (10) days after
the date  due,  there  shall be due a late  charge of five (5)  percent  of such
payment.

5. This Note is  subject  to and  governed  by the terms and  conditions  of the
Security Agreement, all of which terms and conditions are incorporated herein by
reference  with the same force and effect as though set forth  herein at length.
All sums due hereunder are secured by the  collateral  described in the Security
Agreement.  All terms referred to herein shall have the meaning ascribed to them
in the Security Agreement unless the context otherwise requires.

6. The undersigned shall be n default under this Note upon the occurrence of any
of the events which  constitute an Event of Default pursuant to the terms of the
Security  Agreement.  Upon the  occurrence  of any  Event of  Default,  then the
aforesaid principal sum or so much thereof as shall then remain unpaid, with all
arrearages of interest thereon,  shall,  without notice or demand, at the option
of Lender, become due and payable immediately thereafter,  anything hereinbefore
contained to the contrary notwithstanding.  Furthermore,  Lender shall thereupon
be  entitled  to exercise  all of the  remedies of a secured  party at law or in
equity,  together with the rights and remedies provided to it under the Security
Agreement.

7. It is  understood  and agreed that the  undersigned  may prepay in full or in
part at any time  without  penalty the  principal  of this  obligation  provided
prepayment shall be in multiples of not less than $5,000.00.  Principal payments
made pursuant to this  paragraph are to be applied in inverse order of principal
payments due.

8. If there  shall be any  arrears in any  payments  covenanted  or agreed  upon
herein or an Event of Default  shall  occur in the  provisions  of the  Security
Agreement  securing  this Note,  the terms of which are  incorporated  herein by
reference  with the same force and effect as though set forth  herein at length,
then the Lender  may, at its option,  make any such  payments  and the amount so
paid shall be added to and become part of the principal sum evidenced hereby and
secured by such Security  Agreement and shall be payable on demand with interest
at the rate set forth in this Note.

9. The  undersigned  shall be liable for all costs,  charges and  expenses,  and
other  sums   incurred  or  advanced  by  Lender   (including   legal  fees  and
disbursements)  to preserve the Collateral,  collect on the Obligation,  protect
Lender's  interests or to enforce Lender's rights against the undersigned or any
guarantor.

10. As further  security for the performance of the obligations  hereunder,  the
undersigned  hereby  gives  Lender a general  lien upon all  property and assets
heretofore or hereafter  delivered to Lender, and Lender shall have the right of
setoff,  in addition to any other  rights  conferred  by statute or operation of
law, with respect to any account of the undersigned  with Lender,  and any other
funds or tangible  assets which may, at any time,  be in  possession of or under
Lender's custody and control.

11. Lender is hereby  authorized to disclose any financial or other  information
about the undersigned to any regulatory body or agency having  jurisdiction over
the Lender, or to any present, future or prospective participant or successor in
interest  in any loan or other  financial  accommodation  made by  Lender to the
undersigned.  Lender is authorized by the undersigned,  without notice to it, to
date this Note as of the date when the first  advance is made and to fill in any
blank  spaces to conform to the terms upon  which the  advance or  advances  are
made.

12.  Lender shall not, by any act, be deemed to have waived any of its rights or
remedies  hereunder,  unless such waiver is in writing and signed by Lender, and
then only to the extent set forth therein. A waiver as to any one event shall in
no way be construed as continuing or as preventing  the waiver or enforcement of
such rights or remedies available to Lender on a subsequent event.

13. The liability of the  undersigned  shall be joint and several,  absolute and
unconditional and without regard to the liability of any other party.

14. The  undersigned  and all other parties who at any time may be liable hereon
in any capacity, jointly and severally,  waive presentment,  demand for payment,
protest  and  notice of  protest,  and  notice of  dishonor  of this  Note,  and
authorize Lender,  without notice, to grant any extension,  postponement of time
of payment,  indulgence or any  substitution,  exchange or release of Collateral
and to the  addition  to or  release  of  any  party  or  persons  primarily  or
secondarily  liable  or  acceptance  of  partial  payments  on any  accounts  or
instruments and the settlement, compromising or adjustment thereof.

15. The provisions  herein  contained shall bind and inure to the benefit of the
undersigned and Lender and their  respective legal  representatives,  successors
and assigns (provided,  however, that the undersigned shall not assign this Note
without  first  obtaining  the  written  consent  of  Lender).  Lender  (or  any
subsequent  assignee)  may  transfer  and  assign  this  Note  and  deliver  the
Collateral  to the  assignee,  who  shall  thereupon  have all of the  rights of
Lender;  and Lender (or any such  subsequent  assignee  that in turn  assigns as
aforesaid)  shall then be  relieved  and  discharged  of any  responsibility  or
liability with respect to this Note and said Collateral.

16. For the purposes of this Note  wherever the term  "Lender"  shall be used it
shall refer to any subsequent  holder,  successor or assignee  hereof unless the
context requires otherwise.

17. (a) ANY LEGAL SUIT,  ACTION OR  PROCEEDING  AGAINST  LENDER OR OBLIGOR,  ANY
GUARANTOR OR OTHER PARTY TO THIS TRANSACTION  ARISING OUT OF OR RELATING TO THIS
NOTE SHALL BE  INSTITUTED  IN THE SOLE  OPTION OF LENDER IN ANY FEDERAL OR STATE
COURT IN NEW YORK,  NEW YORK,  PURSUANT  TO ss.  5-1402 OF THE NEW YORK  GENERAL
OBLIGATIONS LAW OR ANY STATE OR FEDERAL COURT LOCATED IN NEW JERSEY,  AND LENDER
AND OBLIGOR WAIVE ANY OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE LAYING
OF VENUE OF ANY SUCH SUIT,  ACTION OR PROCEEDING,  AND LENDER AND OBLIGOR HEREBY
IRREVOCABLY SUBMITS TO THE JURISDICTION OF ANY SUCH COURT IN ANY SUIT, ACTION OR
PROCEEDING. OBLIGOR SHALL DESIGNATE FROM TIME TO TIME AN AUTHORIZED AGENT HAVING
AN  OFFICE  IN THE STATE OF NEW YORK TO ACCEPT  AND  ACKNOWLEDGE  ON ITS  BEHALF
SERVICE OF ANY AND ALL PROCESS  WHICH MAY BE SERVED IN ANY SUCH SUIT,  ACTION OR
PROCEEDING IN ANY FEDERAL OR STATE COURT IN NEW YORK,  NEW YORK, AND AGREES THAT
SERVICE OF PROCESS  UPON SUCH AGENT AT SUCH  ADDRESS AND WRITTEN  NOTICE OF SUCH
SERVICE  OF SUCH  OBLIGOR  MAILED OR  DELIVERED  TO SUCH  OBLIGOR  IN THE MANNER
PROVIDED  HEREIN SHALL BE DEEMED IN EVERY RESPECT  EFFECTIVE  SERVICE OF PROCESS
UPON SUCH  OBLIGOR IN ANY SUCH  SUIT,  ACTION OR  PROCEEDING  IN THE SATE OF NEW
YORK.  OBLIGOR (I) SHALL GIVE PROMPT NOTICE TO LENDER OF ANY CHANGED  ADDRESS OF
ITS  AUTHORIZED  AGENT  HEREUNDER,  (II) MAY AT ANY  TIME AND FROM  TIME TO TIME
DESIGNATE A  SUBSTITUTE  AUTHORIZED  AGENT WITH AN OFFICE IN NEW YORK,  NEW YORK
(WHICH OFFICE SHALL BE  DESIGNATED  AS THE ADDRESS FOR SERVICE OF PROCESS),  AND
(III) SHALL PROMPTLY  DESIGNATE SUCH A SUBSTITUTE IF ITS AUTHORIZED AGENT CEASES
TO HAVE AN  OFFICE  IN NEW  YORK,  NEW YORK OR IS  DISSOLVED  WITHOUT  LEAVING A
SUCCESSOR.

                  (B) IN ANY ACTION, SUIT OR PROCEEDING IN RESPECT OF OR ARISING
OUT OF THIS NOTE,  LENDER,  OBLIGOR,  EACH ENDORSER AND GUARANTOR WAIVE TRIAL BY
JURY,  AND  OBLIGOR,  EACH  ENDORSER AND  GUARANTOR  ALSO WAIVE (I) THE RIGHT TO
INTERPOSE ANY SET-OFF OR  COUNTERCLAIM  OF ANY NATURE OR DESCRIPTION  OTHER THAN
MANDATORY  COUNTERCLAIMS,  (II) ANY OBJECTION  BASED ON FORUM NON  CONVENIENS OR
VENUE, AND (III) ANY CLAIM FOR CONSEQUENTIAL, PUNITIVE OR SPECIAL DAMAGES.

18. THIS NOTE WAS  NEGOTIATED IN THE STATE OF NEW YORK,  AND MADE BY OBLIGOR AND
ACCEPTED BY LENDER IN THE STATE OF NEW YORK, AND THE PROCEEDS DELIVERED PURSUANT
THERETO WERE DISBURSED FROM THE STATE OF NEW YORK, WHICH STATE THE PARTIES AGREE
HAS A SUBSTANTIAL  RELATIONSHIP TO THE PARTIES AND TO THE UNDERLYING TRANSACTION
EMBODIED  HEREBY,  AND IN  ALL  RESPECTS,  INCLUDING  MATTERS  OF  CONSTRUCTION,
VALIDITY AND PERFORMANCE,  THIS AGREEMENT AND THE OBLIGATIONS  ARISING HEREUNDER
SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF
NEW YORK APPLICABLE TO NOTES MADE AND PERFORMED IN SUCH STATE AND ANY APPLICABLE
LAW OF THE UNITED  STATES OF AMERICA.  IT BEING  UNDERSTOOD  THAT THE LAW OF THE
STATE OF NEW YORK SHALL GOVERN THE VALIDITY AND THE  ENFORCEABILITY OF THIS NOTE
AND ALL OF THE INDEBTEDNESS OR OBLIGATIONS  ARISING HEREUNDER OR UNDER ANY OTHER
LOCAN DOCUMENTS (EXCEPT AS EXPRESSLY  PROVIDED IN ANY OTHER LOAN DOCUMENTS).  TO
THE FULLEST EXTENT  PERMITTED BY LAW, LENDER AND OBLIGOR HEREBY  UNCONDITIONALLY
AND IRREVOCABLY WAIVE ANY CLAIM TO ASSERT THAT THE LAW OF ANY OTHER JURISDICTION
GOVERNS  THIS  NOTE,  AND  THIS  NOTE  SHALL BE  GOVERNED  BY AND  CONSTRUED  IN
ACCORDANCE  WITH THE LAWS OF THE SATE OF NEW YORK  PURSUANT TO ss. 5-1401 OF THE
NEW YORK GENERAL OBLIGATIONS LAWS.

19.  Notwithstanding  any thing to the  contrary  in this Note and to the extent
permitted by  applicable  law, if the  aggregate  amount of interest  payable in
respect of this Note and all other consideration which would constitute interest
for any interest  period under  applicable  law results in an effective  rate of
interest  for any  interest  period on this Note in excess of the  maximum  rate
permitted by law  applicable to this Note (after giving effect to any adjustment
permitted  by law to the interest  rate paid or payable in any interest  periods
other  than such  interest  period),  the  effective  rate of  interest  of such
interest period for this Note shall be limited to a rate of interest which would
not cause the effective rate to exceed the maximum legal rate.

20. Any forbearance by the Lender in exercising any right or remedy hereunder or
under any other Loan Document,  or otherwise  afforded by applicable  law, shall
not be a waiver of or preclude  the  exercise  of any such right or remedy;  nor
shall  any  single or  partial  exercise  of any such  right or  remedy,  or any
abandonment  or  discontinuance  of steps  to  enforce  such a right or  remedy,
preclude  any other or further  exercise  thereof or the  exercise  of any other
right or remedy.

         THE UNDERSIGNED AND ALL ENDORSERS AND GUARANTORS WAIVE TRIAL BY JURY.

         IN WITNESS WHEREOF, the undersigned have hereunto set its hand and seal
or caused these  presents to be signed by its proper  corporate  officer and its
proper corporate seal to be hereto affixed the day and year first written above.

WITNESS:                            NOVEX SYSTEMS INTERNATIONAL, INC.

_/SS/ JANET L. DOWE________         BY__/SS/ DANIEL W. DOWE_________
      JANET L. DOWE                          Daniel W. Dowe
Secretary                                    President

<PAGE>

STATE OF NEW JERSEY        }

                           }SS.:

COUNTY OF PASSAIC          }

         I certify  that on the 13th day of  August,  1999, appeared  befor  me,
Daniel W. Dowe,   to me known,  who,  being by me duly sworn, did depose and say
that he is the president of Novex Systems  International, Inc., the corporation
described in and which executed the foregoing instrument; that he knows the seal
of the  corporation;  that the seal affixed to the  instrument is such corporate
seal;  that  it was so  affixed  by  order  of the  board  of  directors  of the
corporation, and that he signed his name thereto by like order.

                                            ___/S/CHRISTINA BRUDIE ______

                                           Notary Public of New Jersey
                                           My Commission Expires 1/25/2001EXHIBIT 10.5

                                 PROMISSORY NOTE

$1,300,000.00                                                   AUGUST 13, 1999
                                                                CLEVELAND, OHIO

1.       FOR VALUE RECEIVED, the undersigned, Novex Systems International, Inc.,
         a New York  corporation with its principal place of business located at
         67 Wall  Street,  Suite  2001,  New  York,  New York  10005  ("Maker"),
         promises to pay to the order of The  Sherwin-Williams  Company, an Ohio
         corporation  with  its  principal  Place  of business  located at  101
         Prospect Avenue, N.W., Cleveland, Ohio 44115 ("Sherwin-Willams"),  the
         principal sum of One Million Three Hundred  Thousand and 00/100 Dollars
         ($1,300,000.00).

2.        The unpaid  principal ballance of this Promissory Note ("Note") shall
          bear  interest  at the rate of ten percent  (10%) per annum.  Interest
          will be computed on the basis of a three  hundred sixty (360) day year
          calculated by the actual number of days elapsed. Interest on this Note
          shall be due and payable as follows:  (A) interest at the rate of five
          percent  (5%) per annum shall be due and payable on a quarterly  basis
          commencing  on  November 15, 1999 and continuing  on the same  day  of
          each successive  quarter  thereafter and (B) the remaining interest at
          the rate of five  percent  (5%) per annum  shall be due and payable on
          the first anniversary of the date hereof.  The entire unpaid principal
          balance of this Note,  together  with the balance of the  interest due
          hereon,  shall be due and payable on the first anniversary of the date
          hereof.

3.       In the event Maker fails to pay any quarterly installment when due, the
         entire unpaid  principal  balance then remaining shall bear interest at
         the  maximum  rate  allowable  by law and shall be due and  payable  on
         demand  by  Sherwin-Williams  or any  subsequent  holder  hereof at 101
         Prospect Avenue,  N.W.,  Cleveland,  Ohio  44115-1075,  or at any other
         place hereafter designated by any subsequent holder.

4.       The  principal  balance of this Note,  together  with all  accrued  and
         unpaid interest thereon, may be prepaid in whole or in part at any time
         without penalty or premium.

5.       This  Note  evidences  indebtedness  of the  Maker to  Sherwin-Williams
         arising  under  that  certain  Loan  agreement  of even date herewith,
         between Mader and Sherwin-Williams   ("Loan  Agreement").  Reference is
         made  to  the  Loan   Agreement  for  a  statement  of  the  rights  of
         Sherwin-Williams  or other holder hereof and the duties and obligations
         of Maker in relation thereto.  Neither this reference nor any provision
         thereof   shall  affect  or  impair  the  absolute  and   unconditional
         obligations  of Maker to pay the  principal  and  interest on this Note
         when due. All capitalized  terms used but not defined herein shall have
         the same meaning assigned to such terms in the Loan Agreement.

6.        Maker  agrees  that upon the  occurrence  of any one of the  following
          events,  this Note (including the entire unpaid principal  balance and
          accrued  interest)  and at the option of  Sherwin-Williams,  all other
          obligations,   including   but  not   limited  to  any   amounts   due
          Sherwin-Williams   in  connection  with  purchases  of  products  from
          Sherwin-Williams  at any time during the term of this Note, if any, of
          Maker  to  Sherwin-Williams,  shall  at once  become  due and  payable
          without further notice, presentment, or demand of payment: (a) failure
          to pay any  quarterly  installment  on the due date  thereof;  (b) the
          commencement  by or against Maker of any  proceeding,  suit, or action
          for  bankruptcy,  reorganization,  dissolution,  or  liquidation;  (c)
          filing by or against Maker of a petition  under any of the  provisions
          of the  existing  bankruptcy  laws,  assignment  for  the  benefit  of
          creditors or other types of insolvency  laws; (d) application  for, or
          appointment of, a receiver for Maker or its property;  (e) issuance of
          a warrant of attachment  relating to any assets of Maker;  (f) calling
          of a meeting of creditors of Maker;  (g) appointment of a committee of
          creditors or a liquidating agent for Maker; (h) creation of a security
          Interest  in, or pledge of, any assets of  maker which are defined  as
          "Collateral"  in the Security  Agreement of  even date herewith by and
          between  maker and Sherwin-Williams  ("Security Agreement") or  in the
          mortgage of even date  herewith by seller in favor of Sherwin-Williams
          ("Mortgage"); or (i) any other event occurs which constitutes an Event
          of Default under any other  documents  executed in connection with the
          loan agreement (collectivelly, each an "Event of Default").

7.       If any provision of this Note, or portion  thereof,  or the application
         thereof to any  persons or  circumstances  is declared to be invalid or
         unenforceable  by a court of competent  jurisdiction,  the remainder of
         this Note, or the application of such remaining  provision,  or portion
         thereof, shall not be affected thereby, and the remaining provisions of
         this  Note  shall  be  valid  and  enforceable  to the  fullest  extent
         permitted by law.

8.       The  rights and  remedies  of the holder as  provided  herein  shall be
         cumulative and concurrent and may be pursued singularly,  successively,
         or together at the sole  discretion  of the holder  hereof,  and may be
         exercised as often as an occasion therefor shall occur, and the failure
         to exercise  any such right or remedy shall in no event be construed as
         a waiver or release of the same.

9.       In the  event  the  indebtedness  evidenced  hereby  is not  paid  upon
         maturity (by acceleration or otherwise) and the same is collected by or
         through an attorney-at-law, costs of suit including, but not limited to
         attorneys'  fees,  shall  be  added  to and  collected  as  part of the
         indebtedness.

10.       Maker waives  presentment for payment,  protest and notice of dishonor
          and/or  notice of  nonpayment  and  expressly  agrees  to  remain  and
          continue to be bound,  subject to the  provisions set forth herein for
          the payment of principal and other sums provided for the terms of this
          Note,  notwithstanding  any  extension or extensions of time of or for
          the payment of said principal or other sum or any change or changes by
          way of release, surrender, exchange or substitution of any real estate
          security or other collateral  security now held or which may hereafter
          be held as security for this Note.  Maker waives all and every kind of
          notice of such extension or extensions,  change or changes, and agrees
          that the same may be made without notice to Maker.

11.       This Note is   not  given in  connection  with  a  consumer  loan or
          consumer transaction.

12.       This Note shall be governed by and  construed  according  to the laws
          of the State of Ohio.

                  IN WITNESS WHEREOF,  Maker has caused this Note to be executed
         by its duly  authorized  representative on this  13th day of  August,
         1999.

WITNESS:                            MAKER:  NOVEX SYSTEMS INTERNATIONAL, INC.

/SS/ JANET L. DOWE                          BY:     /SS/ DANIEL W. DOWE
                                            TITLE:       PRESIDENT

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