EXHIBIT 10.12

                              EMPLOYMENT AGREEMENT

     This Agreement, effective as of the 1st day of August, 1999 (the
"Effective Date"), is made by and between CiDRA Corporation, a Delaware
Corporation ("CiDRA"), and Ann Iseley (ISELEY).

     WHEREAS, CiDRA desires to engage the services of ISELEY; and

     WHEREAS, ISELEY is willing to provide such services to CIDRA;

     NOW, THEREFORE, the parties hereto agree as follows:

1.   SERVICES OF ISELEY

     a. ISELEY will serve as CiDRA's Vice President, Chief Financial Officer,
        reporting directly to the President and/or Chief Executive Officer of
        CiDRA. ISELEY's employment with CiDRA Corporation shall commence on the
        Effective Date (August 1, 1999).

     b. This Agreement shall terminate on the earliest to occur of (i) ISELEY's
        death or Disability (as defined below), and (ii) the termination of this
        Agreement by CiDRA or ISELEY as evidenced by a written notice to that
        effect.

2.   COMPENSATION

     a. So long as ISELEY continues to perform the services specified in Section
        1 and this Agreement has not terminated, ISELEY shall receive a salary
        at the annual rate of One Hundred Twenty-five Thousand Dollars
        ($125,000) (the "Annual Compensation").

     b. CiDRA shall reimburse ISELEY for her reasonable expenses incurred in
        performing her duties to CiDRA hereunder, subject to policies
        established by the Board of Directors of CiDRA (the "Board") from time
        to time.

     c. ISELEY shall receive such other benefits as CiDRA provides to its
        executive employees.

     d. ISELEY shall receive twenty-five (25) days of Paid Time Off for
        sickness, personal business and vacation during each calendar year,
        prorated in the first calendar year of ISELEY's employment with CiDRA as
        appropriate.

     e. CiDRA will provide medical insurance coverage for ISELEY and her family
        through a plan maintained by CiDRA for its employees. CiDRA shall have
        the right to adopt a medical insurance plan that requires some level of
        copayment from employees, including ISELEY.


     f.  ISELEY shall be eligible for incentive compensation in accordance with
         an Incentive Compensation Plan adopted by CiDRA's Board of Directors
         for the Company's executive employees. CiDRA shall implement such an
         Incentive Compensation Plan within ninety (90) days following the
         Effective Date of this Agreement.

3.   RELOCATION AND SEPARATION PAYMENT/BONUS REPAYMENT

     a.  No later than September 1, 1999, ISELEY will relocate to Connecticut,
         and work out of CiDRA's Connecticut Office.

     b.  CiDRA shall reimburse ISELEY for her actual relocation expenses for
         moving her residence from New York to Connecticut and for any repayment
         of bonuses or relocation expenses to her current employer, up to a
         maximum amount of Thirty Five Thousand Dollars ($35,000.00). ISELEY
         shall submit copies of invoices and charges for her moving expenses and
         payments to her current employer to CiDRA's Director of Human
         Resources, and CiDRA shall reimburse ISELEY for such expenses within 15
         days of presentation of such invoices.

4.   STOCK OPTIONS

     a.  On the Effective Date, ISELEY shall receive an Incentive Stock Option
         under the CiDRA Corporation 1997 Stock Option Plan, as amended, to
         purchase One Hundred Thousand (100,000) shares of CiDRA Class A Common
         Stock, $.001 par value (the "Shares") at the Fair Market Value of said
         Shares on the Effective Date.

     b.  In the event that following or in connection with a Change-in-Control
         (as defined below), ISELEY's employment with CiDRA is (i) terminated by
         CiDRA for any reason other than Cause, or (ii) terminated by ISELEY in
         the event of a CiDRA Breach, ISELEY's Incentive Stock Options which
         would otherwise vest or become exercisable solely with the passage of
         time and ISELEY's continued employment with CiDRA, shall immediately
         vest and become fully exercisable and all rights relevant to such
         Incentive Stock Options shall accrue immediately to ISELEY. "Change-In-
         Control" shall mean: (i) any sale, lease, exchange or other transfer
         (in one transaction or a series of transactions) of all or
         substantially all of the assets of CiDRA; (ii) individuals who, as of
         the date hereof, constitute the entire Board of Directors of CiDRA (the
         "Incumbent Directors") cease for any reason to constitute at least a
         majority of the Board of Directors, provided that any individual
         becoming a director subsequent to the date hereof whose election was
         approved by a vote of at lease a majority of the then Incumbent
         Directors shall be, for the purposes of this provision, considered as
         though such individual were an Incumbent Director; (iii) any
         consolidation or merger of CiDRA with any other entity where the stock
         holders of CiDRA immediately prior to the consolidation or merger,
         would not, immediately after the consolidation or merger, beneficially
         own, directly or indirectly, shares representing fifty percent (50%) of
         the

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         combined voting power of all of the outstanding securities of the
         entity issuing cash or securities in the consolidation or merger (or
         its ultimate parent corporation, if any); (iv) a third person,
         including a "person" as defined in Section 13(d)(3) of the Exchange
         Act, becomes the beneficial owner (as defined in Rule 13d-3 under the
         Exchange Act) directly or indirectly, of securities of CiDRA
         representing seventy-five percent (75%) or more of the total number of
         votes that may be cast for the election of the directors of CiDRA; or
         (vi) the Board of Directors of CiDRA , by vote of a majority of all the
         Directors, adopts a resolution to the effect that a "Change-in-Control"
         has occurred for purposes of this Agreement.

     c.  In the event that the executive employees of CiDRA that are employed
         with CiDRA as of the Effective Date of this Agreement are offered,
         after the Effective Date of this Agreement, a stock option vesting plan
         in the event of a Change-in-Control ("Offer"} that is different from
         the terms of section 4b. above, CiDRA shall notify ISELEY within thirty
         (30) days of such offer, and ISELEY shall have thirty (30) days from
         such notice to elect to replace the terms of Section 4b above with the
         terms of such Offer.


5.   TERMINATION OF EMPLOYMENT

     a.  If CiDRA terminates ISELEY's employment for Cause (as defined below),
         or ISELEY's employment terminates due to her death or Disability (as
         defined below), or ISELEY terminates her employment with CiDRA other
         than as a result of a CiDRA Breach (as defined below):

         i)  CiDRA shall not be required to pay any compensation for
             termination; and

         ii) ISELEY shall not thereafter continue to participate in any benefit
             plans of CiDRA.

     b.  In the event that ISELEY's employment is terminated by CiDRA without
         Cause, or by ISELEY within six (6) months following a CiDRA Breach,
         CiDRA will provide ISELEY with severance pay equal to six (6) months
         Annual Compensation then in effect to be paid following such
         termination.

In the event of such a termination, the foregoing shall be ISELEY's sole and
exclusive remedy and ISELEY shall not be entitled to any other or further
payments, compensation or benefits from CiDRA.

     c.  For purposes of this Agreement:

         i)  "Cause" shall mean any act of or omission by ISELEY in the conduct
             of ISELEY's duties and responsibilities which constitutes gross
             negligence or willful misconduct, or any act of or omission by
             ISELEY outside the

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              course of ISELEY's duties and responsibilities which involves
              dishonesty or criminal conduct. In the event the Board believes it
              has Cause to terminate ISELEY's employment, it shall give written
              notice to ISELEY stating the specific grounds constituting Cause.
              In the event that the Cause alleged constitutes any act or
              omission in the conduct of ISELEY's duties and responsibilities
              which constitutes gross negligence or willful misconduct, ISELEY
              shall have an opportunity within five (5) days after receiving
              such notice to meet with the Board to discuss such allegations of
              Cause.

        ii)   A "CiDRA Breach" shall mean a material adverse change in the
              current responsibilities (including a change in reporting
              relationship), compensation, or location of ISELEY, and such
              failure continues for a period of ten (10) days following notice
              of such failure by ISELEY to the Board. Any such notice shall
              specifically state the grounds which ISELEY alleges constitutes a
              CiDRA Breach.

        iii)  "Disability" shall mean ISELEY's incapacity due to physical or
              mental illness as certified in writing by a physician selected by
              ISELEY and reasonably acceptable to CiDRA (it being understood
              that (i) such physician shall be deemed to be reasonably
              acceptable to CiDRA if, within a period of fifteen (15) days after
              ISELEY notifies CiDRA of the name of such physician, CiDRA does
              not object to the use of such physician, and (ii) if ISELEY fails
              to select a physician within fifteen (15) days after a written
              request from CiDRA to do so, CiDRA shall have the right to select
              the physician to examine ISELEY).

6.   NONCOMPETITION

     a. Except as provided in Section 7.c. below, ISELEY agrees that during the
        term of this Agreement and for a period of two (2) years after the
        termination of ISELEY's employment hereunder for any reason, ISELEY will
        not, acting alone or in conjunction with others, directly or indirectly,
        without the consent in writing of the Board:

        i)    Engage (either as owner, partner or stockholder wherein ISELEY's
              interest represents more that 5% of ISELEY net worth, or as
              employer, employee, consultant or otherwise) in any Competitive
              Business (as defined below);

        ii)   Induce any customers of CiDRA or any of its affiliates to curtail
              or cancel their business with any of them or induce any person or
              entity to do business with any competitor of CiDRA or any of its
              affiliates in competition with the business of CiDRA or any of its
              affiliates;

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        iii)  Solicit or canvass business in connection with fiber optic sensing
              in the oil and gas industry from any person or entity who was a
              customer of CiDRA or any of its affiliates during the period in
              which ISELEY's services are or were provided to CiDRA or any of
              its affiliates; or

        iv)   Induce, or attempt to influence, any employee of CiDRA or any of
              its affiliates to terminate his/her employment.

A Competitive Business shall be any business that is engaged in developing
and producing (and not just using the information from) fiber optic sensors in
the oil and gas industry.  The provisions of each of clauses i, ii, iii, and iv
above are separate and distinct commitments independent of each of the other
clauses.

7.   PROPRIETARY INFORMATION AND INVENTIONS

     a.  ISELEY's interest in:

         i)  Any and all inventions, improvements and ideas (whether or not
             patentable or copyrightable) which ISELEY has made or conceived, or
             which she may make or conceive, either solely or jointly with
             others, at any time during the term of this Agreement; and

         ii) Any suggestion, proposal, writing, drawing and the like of any sort
             whatsoever, including any interest in any copyright or patent,
             which ISELEY creates or assists in creating during her engagement
             with or provision of services to CiDRA;

         which is a Competitive Business as defined above (including the
         businesses of its affiliates) shall be the exclusive property of CiDRA,
         its successors, assignees, or nominees.

         (The items specified above in this Section 7.a. are hereinafter
         collectively called "Proprietary Subject Matter").  ISELEY shall fully
         and promptly disclose to CiDRA all Proprietary Subject Matter made or
         conceived during the term of ISELEY's employment.  ISELEY shall not
         knowingly or intentionally assign or otherwise relinquish any rights in
         such Proprietary Subject Matter to any third party without the prior
         written consent of the Board.

     b.  At the request and expense of CiDRA, but without further compensation
         to ISELEY beyond the provisions of this Agreement, ISELEY shall
         promptly consent to such acts and execute, acknowledge and deliver all
         such papers, including without limitation patent and copyright
         applications, as may be necessary or desirable in the sole discretion
         of CiDRA, to obtain, to protect, to maintain, or to vest in CiDRA the
         entire right, title and interest in and to Proprietary Subject Matter,
         and in and to any patent applications, patents, copyright applications,
         copyrights, or other proprietary rights of any kind relating thereto,
         in all countries of the world; including rendering such

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         assistance as CiDRA may request, at CiDRA's expense, in any future
         contemplated or pending litigation, Patent Office proceeding, or other
         proceeding.

     c.  ISELEY will not knowingly or negligently disclose, or cause others to
         disclose to CiDRA or any of its affiliates, or induce CiDRA or any of
         its affiliates to use, any information or material which is the
         property of other individuals or companies and which there is any
         reason to believe is of proprietary or confidential nature, except with
         the consent of the owners of such information or material.

     d.  Since the services which ISELEY is rendering to CiDRA will include, and
         ISELEY shall have access to, CiDRA's knowledge and information of
         private or confidential or secret nature, ISELEY shall not during, or
         after, the term of this Agreement, except as reasonably required in the
         normal course of CiDRA's business or as authorized in writing by the
         Board, publish, disclose or make use of, or authorize anyone else to
         publish, to disclose or otherwise make use of, any such knowledge or
         information, whether of a technical or of a non-technical nature, which
         in any way relates to the design, construction, manufacture or sale of
         CiDRA's services or products.

     e.  All documents, written information and other terms including but not
         limited to notes, sketches, manuals, blueprints, notebooks, products,
         tools, fixtures, records and information relating to the services or
         products of CiDRA or its subsidiaries, made or obtained by ISELEY
         through ISELEY's provision of services to, or employment by CiDRA,
         shall be the exclusive property of CiDRA and shall be delivered by
         ISELEY to CiDRA upon termination of this Agreement (whether such
         termination is caused by an act of CiDRA or by ISELEY or by any other
         act), or any other time as requested by CiDRA.

8.   GOVERNING LAW; ARBITRATION; INJUNCTIVE AND OTHER RELIEF

     This Agreement shall be governed by and construed and enforced in
accordance with the laws of the State of Connecticut applicable to agreements
made and to be performed entirely in Connecticut.  Each party hereby irrevocably
consents to the exclusive jurisdiction of the federal and state courts located
in Hartford, Connecticut with respect to any actions which may arise in
connection with this Agreement and are not required by this Section 8 to be
arbitrated.  Except as provided in this Section 8, any controversy or claim
arising out of or relating to this Agreement, or the breach thereof, shall be
settled by arbitration administered by the American Arbitration Association in
accordance with its Commercial Arbitration Rules, and judgment on the award
rendered by the arbitrators may be entered in any court having jurisdiction
thereof.

     Each of the parties to this Agreement acknowledges that a breach of this
Agreement may cause the other party irreparable harm which may not be adequately
compensated by money damages.  Therefore, in the event of a breach or threatened
breach

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by a party, injunctive or other equitable relief will be available to the other
party, and any arbitrator acting pursuant to this Agreement shall have the
authority to provide such injunctive or other equitable relief. Remedies
provided herein are not exclusive, except as provided in Section 5.b.

     The arbitrator shall have the authority to award such remedies or relief
that a court of the State of Connecticut could order or grant in an action
governed by Connecticut law, including, without limitation, specific performance
of any obligation created under this Agreement, the issuance of an injunction,
or the imposition of sanctions for abuse or frustration of the arbitration
process.  The arbitration proceedings shall be conducted in Hartford,
Connecticut.

     Notwithstanding the foregoing, any party may bring and pursue an action in
any Federal or State court located in Hartford, Connecticut seeking provisional
relief, including a temporary restraining order or preliminary injunction,
pending an arbitration proceeding.  Any provisional relief obtained shall be
discontinued once the arbitrator has assumed jurisdiction and ordered such
discontinuance.

9.   MISCELLANEOUS

     a. Survival.  Notwithstanding anything in this Agreement to the contrary,
        Sections 6, 7, and 8 shall survive any termination of this Agreement.

     b. Successors and Assigns. The provisions hereof shall inure to the benefit
        of, and be binding upon, the successors, assigns, heirs, executors and
        administrators of the parties hereto.

     c. Entire Agreement; Amendment.  This Agreement and the attachment hereto
        together constitute the full and entire understanding and agreement
        between the parties with regard to the subjects hereto and thereof.
        None of this Agreement and the attachment hereto or any term hereof or
        thereof may be amended, waived, discharged or terminated, except by a
        written instrument signed by both of the parties hereto.

     d. Notices, etc.  All notices and other communications required or
        permitted hereunder shall be in writing and shall be mailed by certified
        or registered mail, postage prepaid, delivered either by hand or by
        messenger, or transmitted by electronic telecopy (fax) addressed:

        If to CiDRA:

           CiDRA Corporation
           Attn: Law Department
           50 Barnes Park North
           Wallingford, CT   06492

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         With a copy to:

           Frank J. Marco, Esquire
           Day, Berry & Howard LLP
           CityPlace I
           Hartford, CT  06103-3499
           Fax:  (860) 275-0255

         If to ISELEY, at:

           Ann Iseley
           Address on file with the CiDRA

         or at such other address as any party shall have furnished to the
         others in writing. All such notices and other written communications
         shall be effective (i) if mailed, seven (7) days after mailing [if
         mailed from outside the United States, such mailing must be by airmail
         and said seven (7) days shall be fourteen (14) days], (ii) if
         delivered, upon delivery, or (iii) if faxed, one (1) business day after
         transmission and acknowledgement of receipt by telephone or fax.

     e.  Delays or Omissions. No delay or omission to exercise any right, power
         or remedy accruing to either party hereto upon any breach or default of
         the other party under this Agreement shall impair any such right, power
         or remedy of such party nor shall it be construed to be a waiver of any
         such breach or default, or an acquiescence therein, or any similar
         breach or default thereafter occurring. No waiver of any single breach
         or default shall be deemed a waiver of any other breach or default
         theretofore or thereafter occurring. Any waiver, permit, consent or
         approval of any kind or character on the part of any party hereto of
         any breach or default under this Agreement or any waiver on the part of
         any party hereto of any provisions or conditions of this Agreement must
         be made in writing and shall be effective only to the extent
         specifically set forth in such writing. All remedies, either under this
         Agreement or by law or otherwise afforded to any party, shall be
         cumulative and not alternative.

     f.  Separability. In case any provision of this Agreement shall be invalid,
         illegal or unenforceable, the validity, legality and enforceability of
         the remaining provisions shall not in any way be affected or impaired
         thereby. ISELEY and CiDRA acknowledge that the restrictive covenants
         herein have been negotiated in good faith and they believe that such
         restrictive covenants are reasonable and are not more restrictive or
         broader than are necessary to protect the interests of the parties
         hereto, and would not achieve their intended purpose if they were on
         different terms or for periods of time shorter than the periods of time
         provided herein or applied in more restrictive geographical areas than
         are provided herein. Each party further acknowledges and agrees that
         the CiDRA businesses are highly competitive, that CiDRA would not enter
         into this Agreement but for the

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         covenants contained in Section 4, and that such covenants are essential
         to protect the value of the CiDRA businesses. ISELEY and CiDRA
         acknowledge and confirm that competition by ISELEY would likely cause
         irreparable injury to CiDRA and its affiliates. If, however, it shall
         be determined at any time by any arbitrator or court of competent
         jurisdiction that this Agreement, as written, is unenforceable because
         the restrictions set forth herein are unreasonable, the parties hereto
         agree that such portions as shall have been determined to be
         unreasonably restrictive shall thereupon be deemed so amended as to
         make such restrictions reasonable in the determination of such
         arbitrator or court, and the said covenants, as so modified, shall be
         enforceable between the parties to the same extent as if such
         amendments had been made prior to the date of any alleged breach of
         said covenants.



     IN WITNESS WHEREOF, each of the parties has executed this Agreement as of
the Effective Date.


                                     CiDRA CORPORATION


     /s/ Ann Iseley                  /s/ F. Kevin Didden
     --------------                  --------------------
     Ann Iseley                      By:  F. Kevin Didden
                                          President & CEO

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