PROMISSORY NOTE
 
 
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Principal     Loan Date     Maturity     Loan No     Call     Collateral     Account     Officer     Initials
                                                                               
$500,000.00   03-22-1995    04-30-1995   09400156     3         700                        TFD 
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References in the shaded area are for Lender's use only and do not limit the 
applicability of this document to any particular loan or item.
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Borrower: VITRONICS CORPORATION
          FORBES ROAD, NEWMARKET INDUSTRIAL PARK
          NEWMARKET, NH 03857

Lender:   First National Bank of Portsmouth
          488 Central Avenue
          Dover, NH 03820
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Principal Amount: $500,000.00 Initial Rate: 10.000% Date of Note: March 22, 1995

PROMISE TO PAY. VITRONICS CORPORATION ("Borrower") promises to pay to First 
National Bank of Portsmouth ("Lender"), or order, in lawful money of the United 
States of America, the principal amount of Five Hundred Thousand & 00/100 
Dollars ($500,000.00) or so much as may be outstanding, together with interest 
on the unpaid outstanding principal balance of each advance. Interest shall be 
calculated from the date of each advance until repayment of each advance.

PAYMENT. Borrower will pay this loan on demand, or if no demand is made, in one 
payment of all outstanding principal plus all accrued unpaid interest on April 
30, 1995. In addition, Borrower will pay regular monthly payments of accrued 
unpaid interest beginning April 13, 1995, and all subsequent interest payments 
are due on the same day of each month after that. Interest on this Note is 
computed on a 365/360 simple interest basis; that is, by applying the ratio of 
the annual interest rate over a year of 360 days, multiplied by the outstanding 
principal balance, multiplied  by the actual number of days the principal 
balance is outstanding. Borrower will pay Lender at Lender's address shown above
or at such other place as Lender may designate in writing. Unless otherwise 
agreed or required by applicable law, payments will be applied first to accrued 
unpaid interest, then to principal, and any remaining amount to any unpaid 
collection costs and late charges.

VARIABLE INTEREST RATE. The interest rate on this Note is subject to change from
time to time based on changes in an independent index which is the Bank of
Boston Prime (the "Index"). The Index is not necessarily the lowest rate charged
by Lender on its loans. If the Index becomes unavailable during the term of this
loan, Lender may designate a substitute index after notice to Borrower. Lender
will tell Borrower the current index rate upon Borrower's request. Borrower
understands that Lender may make loans based on other rates as well. The
interest rate change will not occur more often than each day. The Index
currently is 9.000% per annum. The interest rate to be applied to the unpaid
principal balance of this Note will be at a rate of 1.000 percentage point over
the Index, resulting in an initial rate of 10.000% per annum. NOTICE: Under no
circumstances will the interest rate on this Note be more than the maximum rate
allowed by applicable law.

PREPAYMENT. Borrower may pay without penalty all or a portion of the amount owed
earlier than it is due. Early payments will not, unless agreed to by Lender in 
writing, relieve Borrower of Borrower's obligation to continue to make payments 
of accrued unpaid interest. Rather, they will reduce the principal balance due.

LATE CHARGE. If a payment is 15 days or more late, Borrower will be charged 
6.000% of the unpaid portion of the regularly scheduled payment of $100.00, 
whichever is greater.

DEFAULT. Borrower will be in default if any of the following happens: (a) 
Borrower fails to make any payment when due. (b) Borrower breaks any promise 
Borrower has made to Lender, or Borrower fails to perform promptly at the time 
and strictly in the manner provided in this Note or any agreement related to 
this Note, or in any other agreement or loan Borrower has with Lender. (c) Any 
representation or statement made or furnished to Lender by Borrower or on 
Borrower's behalf is false or misleading in any material respect. (d) Borrower 
becomes insolvent, a receiver is appointed for any part of Borrower's property, 
Borrower makes an assignment for the benefit of creditors, or any proceeding is 
commenced either by Borrower or against Borrower under any bankruptcy or 
insolvency laws. (e) Any creditor tries to take any of Borrower's property on or
in which Lender has a lien or security interest. This includes a garnishment of 
any of Borrower's accounts with Lender. (f) Any of the events described in this 
default section occurs with respect to any guarantor of this Note. (g) Lender in
good faith deems itself insecure.

LENDER'S RIGHTS. Upon default, Lender may declare the entire unpaid principal 
balance on this Note and all accrued unpaid interest immediately due, without 
notice, and then Borrower will pay that amount. Lender may hire or pay someone 
else to help collect this Note if Borrower does not pay. Borrower also will pay 
Lender that amount. This includes, subject to any limits under applicable law, 
Lender's attorneys' fees and Lender's legal expenses whether or not there is a 
lawsuit, including attorneys' fees and legal expenses for bankruptcy proceedings
(including efforts to modify or vacate any automatic stay or injunction), 
appeals, and any anticipated post-judgment collection services. If not 
prohibited by applicable law, Borrower also will pay any court costs, in 
addition to all other sums provided by law. This Note has been delivered to 
Lender and accepted by Lender in the State of New Hampshire. If there is a 
lawsuit, Borrower agrees upon Lender's request to submit to the jurisdiction of 
the courts of Stratford County, the State of New Hampshire. This Note shall be 
governed by and construed in accordance with the laws of the State of New 
Hampshire.

RIGHT OF SETOFF. Borrower grants to Lender a contractual possessory security 
interest in, and hereby assigns,conveys, delivers, pledges, and transfers to 
Lender all Borrower's right, title and interest in and to, Borrower's accounts 
with Lender (whether checking, savings, or some other account), including 
without limitation all accounts held jointly with someone else and all accounts 
Borrower may open in the future, excluding however all IRA, Keogh, and trust 
accounts. Borrower authorizes Lender, to the extent permitted by applicable law,
to charge or setoff all sums owing on this Note against any and all such 
accounts.

COLLATERAL. This Note is secured by FIRST SECURITY INTEREST ON ALL ACCOUNTS
RECEIVABLE, INVENTORY, FURNITURE, FIXTURES AND EQUIPMENT NOW OWNED AND HEREAFTER
ACQUIRED AND THE PROCEEDS THEREOF.

LINE OF CREDIT. This Note evidences a revolving line of credit. Advances under
this Note may be requested orally by Borrower or by an authorized person. All
oral requests shall be confirmed in writing on the day of the request. All
communications, instructions, or directions by telephone or otherwise to Lender
are to be directed to Lender's office shown above. The following party or
parties are authorized to request advances under the line of credit until Lender
receives from Borrower at Lender's address shown above written notice of
revocation of their authority: JAMES J. MANFIELD, JR., CHAIRMAN & CEO. Borrower
agrees to be liable for all sums either: (a) advanced in accordance with the
instructions of an authorized person or (b) credit to any of Borrower's accounts
with Lender. The unpaid principal balance owing on this Note at any time may be
evidenced by endorsements on this Note or by Lender's internal records,
including daily computer print-outs. Lender will have no obligation to advance
funds under this Note if: (a) Borrower or any guarantor is in default under the
terms of this Note or any agreement that Borrower or any guarantor has with
Lender, including any agreement made in connection with the signing of this
Note; (b) Borrower or any guarantor ceases doing business or is insolvent; (c)
any guarantor seeks, claims or otherwise attempts to limit, modify or revoke
such guarantor's guarantee of this Note or any other loan with Lender; (d)
Borrower has applied funds provided pursuant to this Note for purposes other
than those authorized by Lender; or (e) Lender in good faith deems itself
insecure under this Note or any other agreement between Lender and Borrower.

 
03-22-1995                      PROMISSORY NOTE                        Page 2
                                  (Continued)
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  GENERAL PROVISIONS. This Note is payable on demand. The inclusion of specific
  default provisions or rights of Lender shall not preclude Lender's right to
  declare payment of this Note on its demand. Lender may delay or forgo
  enforcing any of its rights or remedies under this Note without losing them.
  Borrower and any other person who signs, guarantees or endorses this Note, to
  the extent allowed by law, waive presentment, demand for payment, protest and
  notice of dishonor. Upon any change in the terms of this Note, and unless
  otherwise expressly stated in writing, no party who signs this Note, whether
  as maker, guarantor, accommodation maker or endorser, shall be released from
  liability. All such parties agree that Lender may renew or extend (repeatedly
  and for any length of time) this loan, or release any party or guarantor or
  collateral; or impair, fail to realize upon or perfect Lender's security
  interest in the collateral; and take any other action deemed necessary by
  Lender without the consent of or notice to anyone. All such parties also agree
  that Lender may modify this loan without the consent of or notice to anyone
  other than the party with whom the modification is made.

  Borrower expressly agrees that the interest rates specified in this Note shall
  be the applicable interest rates due (a) on amounts outstanding during the
  term of this Note, notwithstanding the rate of interest prescribed by statute
  from time to time, and (b) with respect to any amounts outstanding on and
  after the maturity date of this Note.

  PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
  THIS NOTE, INCLUDING THE VARIABLE INTEREST RATE PROVISIONS. BORROWER AGREES TO
  THE TERMS OF THE NOTE AND ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THE
  NOTE.

  BORROWER:

  VITRONICS CORPORATION

  By: /s/ James J. Manfield, Jr.
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      JAMES J. MANFIELD, JR., CHAIRMAN & CEO


  ATTEST:
 
  -------------------------------------------         (Corporate Seal)
     Secretary or Assistant Secretary


  LENDER:

  First National Bank of Portsmouth

  By: /s/ Timothy F. Dargan V.P.
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      Authorized Officer

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