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                                                                   EXHIBIT 10.21
 
LEASE AGREEMENT ENTERED  INTO BY AND BETWEEN ERIC JUAN DE DIOS
FLOURIE GEFFROY (ON HIS BEHALF AND WITH THE AUTHORIZATION OF
REFUGIO GEFFROY DE FLOURIE, ELIZABETH FLOURIE GEFFROY AND EDITH
FLOURIE GEFFROY) (HEREINAFTER REFERRED TO AS THE "LESSOR") AND
ELECTRONICA LOWRANCE DE MEXICO, S.A. DE C.V., REPRESENTED HEREIN
BY MR. TERRY NIMMO (HEREINAFTER REFERRED TO AS THE "LESSEE"),
PURSUANT TO THE FOLLOWING RECITALS AND CLAUSES.

              R E C I T A L S

I.- LESSOR hereby states:
A.   That he has agreed to erect an industrial facility on lots
  313, 314, 315 at Colonia Pacheco, Ensenada, B.C., Mexico
  Fraction B, property of Mrs.  Refugio Geffroy de Flourie and
  co-owners as evidence by deed No. 13,579 dated August 14,
  1996 granted before Mr. Angel Saad, Notary No. 4, for
  Ensenada, Baja California, Mexico.  The industrial building
  has a ground floor area of 8,256 square meters and a second
  floor consisting of 1,800 m2, as well as the tenant
  improvements, in accordance with the drawings,
  specifications, schedule of work and construction term set
  forth by the parties and attached hereto as Exhibit "A".
  Said building will be referred to as "the LEASED PREMISES".
B.   That he is duly authorized to execute this contract in
  accordance with certain agreements and authorizations
  entered into and granted by Refugio Flourie de Geffroy,
  Elizabeth Flourie de Geffroy and Edith Flourie Geffroy,
  dated August 15, 1996.
C.   That the building is being constructed on the following
  address at the corner of Ave. Reforma and Calle Lirios,
  of Colonia Pacheco, Ensenada, B.C., Mexico.  A drawing
  showing exact location as well as a description of the
  referred piece of real estate is attached hereto as Exhibit
  "B", being an integral part hereof.
D.   He  is  willing to lease the LEASED PREMISES to  the LESSEE
  pursuant to the terms and conditions of this agreement.

II. LESSEE hereby states that:
A.   It is a corporation duly organized and existing according to
  the Laws of the Mexican Republic, as evidenced by deed No.
  126,217, dated September 8, 1993, granted before Mr. Lic.
  Gabriel Moreno Mafud, Notary Public No. 2 for Tijuana, Baja
  California, Mexico.  A copy of said deed is attached hereto
  as exhibit "C".

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B.   Mr. TERRY NIMMO evidences to be duly authorized to execute
  this agreement through the public deed which is referred to
  in the preceding paragraph, and further states that such
  authority has not been limited or revoked in any manner
  whatsoever."
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C.   That on a prior date it requested that the LESSOR construct
  an industrial building to be part of the LEASED PREMISES
  pursuant to LESSOR's drawings, specifications and schedule
  of work which are attached hereto as Exhibit "A".

D.   For  the purposes of this agreement its domicile is located
  at the  LEASED PREMISES, that is  at  corner of Ave.
  Reforma
  and Calle de los Lirios s/n Colonia Pacheco, Ensenada, Baja
  California  22800, and 12000 East Skelly Drive, Tulsa,
  Oklahoma, 74128.

E.   It  wishes  to  lease from the LESSOR  the  LEASED PREMISES
  pursuant to the terms and conditions hereunder.

IN VIEW OF THE FOREGOING, the parties hereto agree as follows:

               C L A U S E S

FIRST. LEASE AND DELIVERY

The  LESSOR  hereby leases to the LESSEE and  the  LESSEE hereby
leases from the LESSOR the LEASED PREMISES,  which are located at
corner of Ave. Reforma Esquina Calle de los Lirios s/n Colonia
Pacheco, Ensenada, Baja California  22800, and which are
described in Exhibit "B" hereto.

SECOND.- IMPROVEMENTS
2.1  LESSOR, at LESSOR's own cost and expense shall perform all
  work, provide all labor, furnish all new materials, and
  obtain all certificates and permits necessary to construct
  an industrial building with an area ground floor of 8,256 m2
  and a second floor consisting of approximately 1800 meters
  (19,368 square feet) on the LEASED PREMISES (hereinafter the
  "Improvements") in accordance with the preliminary

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  drawings, specifications, schedule of work and construction
  terms set forth by the parties and attached hereto as
  exhibit "A".  The parties agree that within a term of 30
  days as of the date hereof a final set of drawings and
  specifications shall be completed and attached to exhibit
  "A" herein. Unless LESSOR and LESSEE are able to reach
  accord within thirty (30) days from the date hereof on a
  final set of detailed drawings and specifications to replace
  Exhibit "A" that are satisfactory to both LESSOR and LESSEE,
  either party is free to terminate this lease.

2.2  By approval of the drawings and specifications, LESSEE
  assumes no responsibility for technical compliance with the
  terms and specifications set forth in exhibit "A" hereto.
  The approval by LESSEE is for general arrangements only,
  unless otherwise noted, and does not relieve LESSOR of full
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  responsibility for the proper and correct design,
  construction, function, and erection of the Improvements as
  required.

2.3  LESSOR shall indemnify and hold harmless LESSEE from any and
  all claims, assessments by government authorities, including
  but not limited to property tax, real and attached personal
  property. special assessments, fees, penalties thereon,
  Social Security Institute, Workers Housing Institute and Tax
  Authorities, as well as from damages and cost resulting from
  or arising out of LESSOR's lack of performance of any of its
  obligations for construction of Improvements, fixturs,
  machinery and equipment to the LEASED PREMISES required
  hereunder.

2.4  LESSOR acknowledges and agrees that LESSEE may request
  changes in the design and specifications of the
  Improvements, provided such changes do not affect the cost
  thereof or the work schedule for construction of same.  In
  the event such changes affect the cost of the Improvements
  or the work schedule, LESSOR and LESSEE shall jointly
  determine the effects of the change in cost and any
  extension to such schedule.  All changes to the design and
  specification of the Improvements shall be approved in
  writing by both LESSEE and LESSOR and any if there is any
  additional fees or charges to be assessed against LESSEE in
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  connection with any such change, the dollar amount of such
  change must be agreed to in writing in advance; neither
  LESSOR nor LESSEE shall make any changes in the drawings and
  specifications of the Improvement without the express
  written consent of both LESSEE and LESSOR.

2.5  As established in the specifications, drawings and schedule
  of work incorporated by reference as exhibit "A", LESSOR
  shall diligently complete the Improvements on the LEASED
  PREMISES in order that LESSEE may use and occupy such
  Improvements pursuant to the following schedule:

  a)  Beneficial Occupancy of LEASED PREMISES: August 15,
     1996.

  b)  Final Occupancy of the LEASED PREMISES: October 1,
     1996.

  For purposes hereof, Beneficial and Final Occupancy shall be
  defined as follows:

  Beneficial Occupancy.-  Shall be defined as the delivery to
  LESSEE of the industrial portion of the Improvements
  including walls, roof, floor slab, docks, in order that
  LESSEE may move in its equipment into the LEASED PREMISES,
  and that such equipment and any tenant Improvements that may
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  be installed, be secured and not be damaged by weather or
  the process of construction.

  Final Occupancy.-  Shall be defined as the substantial
  completion of all works and interior finishing of the
  industrial and office areas of the Improvements and all
  exterior and infrastructure Improvements to permit LESSEE to
  commence utilization of the LEASED PREMISES and all
  Improvements for the unencumbered conduct of its business,
  excluding non functional minor cosmetic items, or a punch
  list of items not to exceed 2% of the construction price of
  the improvements established pursuant to exhibit "B" hereto.

2.6  At all times following the execution of this Lease
  Agreement, LESSEE shall have the right to enter the LEASED
  PREMISES to inspect the progress of construction of the
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  Improvements, and LESSOR shall place the construction log
  and any construction reports available at the disposal of
  LESSEE, in order that LESSEE may be continuously appraised
  of construction of the Improvements.  If so requested by
  LESSEE, LESSOR shall prepare a translation into English of
  any such reports for LESSEE, and LESSEE agrees to reimburse
  LESSOR for any expenses incurred in connection therewith.

2.7  LESSOR agrees to furnish to LESSEE a copy of results of all
  tests effected by LESSOR or its contractors with regard to
  the LEASED PREMISES or the construction of the Improvements,
  and LESSEE shall be entitled to effect independent testing
  of any portion of the LEASED PREMISES, Improvements or
  materials and components of construction, at its sole
  expense, in order to ascertain that the Improvements are
  constructed in accordance with exhibit "A" hereto.  Any such
  independing testing by LESSEE shall not release LESSOR from
  any obligations to construct the Improvements in accordance
  with exhibit "A" hereto.

2.8  In the event the result of any of LESSEE's test indicate
  that there is a material deviation in the terms and
  specifications for construction of the Improvements, LESSEE
  shall notify LESSOR of any such deviation and request
  immediate correction thereof.

2.9  Should LESSOR fail to conclude construction of the initial
  Improvements in order that LESSEE may occupy the LEASED
  PREMISES on the date of Beneficial Occupancy set forth
  hereinabove, LESSEE shall be entitled to receive as
  contractual penalty liquidated damages the abatement of two
  days of rent for each calendar day the initial Improvements
  are not concluded pursuant to exhibit "A" hereof.  This
  abatement shall apply towards the first, and if applicable,
  following months on which LESSEE commences to effect rental
  payments as set forth herein.  Notwithstanding such penalty
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  and/or rental abatement, nothing contained herein shall
  extend the date of Final Occupancy or diminish the
  liquidated damages that LESSEE is entitled to receive in the
  event LESSOR fails to provide LESSEE with Final Occupancy on
  the date set forth in paragraph 2.5 above.

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2.10 Furthermore, should LESSOR fail to complete construction of
  the Improvements pursuant to exhibit "A" on or before the
  date of Final Occupancy of the LEASED PREMISES, LESSEE shall
  be entitled to receive as liquidated damages and in addition
  to the rent abatement set forth in the preceding paragraph
  the amount corresponding to two days rent for each calendar
  day of delay following the projected date of Final
  Occupancy, provided, however that should such delay continue
  for sixty (60) days following the aforementioned date,
  LESSEE, at its option, may terminate this agreement.  Any
  abatements hereunder shall apply towards the first, and if
  applicable, following months on which LESSEE commences to
  effect rental payments as set forth herein.  The parties
  acknowledges and agree that the date of Final Occupancy
  shall be extended for a term equivalent to delays
  attributable to LESSEE or LESSEE's contractors or
  subcontractors, acts of God or force majeure.  Likewise, and
  in th event of heavy rain period, this being understood as
  rainfall exceeding two inches in one day, during the three
  months following the date of execution hereof, the dates of
  Beneficial Occupancy and Final Occupancy will be extended
  for a period to be agreed upon by the parties, which shall
  not exceed thirty (30) days.

THIRD. OCCUPANCY BY LESSEE

The  LESSEE  shall  use the LEASED PREMISES for clean  and light
operations as per the authorizations and licenses which the
LESSEE shall obtain from the environmental and other competent
authorities, and therefore, agrees not to use the LEASED PREMISES
for chemical, heavy or other industries of similar nature.
Accordingly, it is hereby agreed that:

3.1.    The LESSEE may,  at its own risk and expense, install on
    the   LEASED  PREMISES  such  fixtures,   equipment and
    furniture as it may deem necessary,  provided,  that such
    items are installed and are removed without damage to the
    LEASED PREMISES, except for the usual wear and tearand
    normal damage required to remove LESSEE's fixtures,
    equipment and furniture from the LEASED PREMISES".


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3.2.  The LESSEE shall repair all damages caused to the LEASED
     PREMISES  during installation or removal of the fixtures,
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      equipment  and  furniture mentioned  in the preceding
      paragraph, usual wesr and tear excepted.
 
3.3.    The LESSEE shall perform the installation or removal of
      its equipment and furniture in accordance with all applicable
      laws, ordinances, and regulations, being liable for any
      violations thereto.
 

3.4.    The  LESSEE agrees to retrieve  such fixtures, equipment,
      furniture  and/or improvements it may have  installed in
      the  LEASED PREMISES on or before the date of termination
      of this lease.  Should the LESSEE fail to retrieve such
      fixtures,  equipment,  furniture and/or improvements from
      the  LEASED PREMISES as provided above,  the LESSOR shall
      be entitled to either retrieve such fixtures, equipment,
      furniture and/or improvements from the LEASED PREMISES at
      the  LESSEE's  risk  and expense,   or  deem  that said
      fixtures,  equipment, furniture and/or improvements have
      been  left  in the LEASED PREMISES  by  the  LESSEE to
      gratuitously inure in favor of the LESSOR.  If LESSEE has
      not removed all of LESSEE's furniture, fixtures and
      equipment and improvements from the LEASED PREMISES
      within thirty (30) days from the date of termination of
      the Lease by LESSEE, then LESSOR upon providing LESSEE
      with thirty (30) days written notice in advance, shall
      thereafter have the right to either remove or retain
      LESSOR's fixtures, equipment and furniture and
      improvements if not removed by LESSEE in this thirty (30)
      day period as set forth hereafter.

3.5.    The LESSEE may not modify the exterior structure, facade
      or public services  of the LEASED PREMISES,  nor it may
      perform any works  or  make alteration without the
      LESSOR's prior written consent, which will not be
      unreasonably withheld.  LESSEE shall have the right to
      make any changes in the interior of the LEASED PREMISES
      necessary for its ongoing operations, provided LESSEE
      does not move any load bearing walls or harm the safety
      or soundness of the LEASED PREMISES.

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FOURTH. LEASE TERM

4.1.    The term of this Lease shall commence on October 1, 1996
      (the Effective Date) and shall end on September 30, 2006.

4.2.    LESSEE shall have the option to renew this Lease for four
      (4) additional terms of five (5) years each on the terms
      and conditions set forth herein.  Such option shall be
      exercised by providing LESSOR with notice of its intent
      to do so not less than three (3) months prior to the
      expiration of then-current term.
 
<PAGE>
 
FIFTH. RENT

The  LESSEE shall punctually and without deductions  (except for
those provided by the applicable tax laws) pay to the LESSOR, at
its address or any other address as instructed by the LESSOR.

5.1.    From the EFFECTIVE DATE, and payable in advance during
    the first 5 (five) days of each month, the LESSEE shall
    punctually pay to the LESSOR, as monthly rent, at its
    address or any other address as instructed by the LESSOR,
    and without deductions (except for those provided by the
    applicable tax laws), the amount of $32,500.00 Dollars.

    LESSEE agrees to pay the monthly installments at LESSOR's
    domicile, or at the place and to the person that LESSOR
    designates by given written notice to LESSEE.

5.2.    After the second full year, LESSEE's monthly Base Rent
    shall be increased each year thereafter by a fixed amount
    of 3% per annum for each remaining year of the term of
    this Lease.

5.3.    All  rental payments made after the term set forth above
    shall  accrue  delinquent  interest at  a  rate  of five
    percent (5%) per month).



                                  9

SIXTH. INSURANCE

6.1.    During  the  life of this agreement,  the  LESSEE, shall
    cover  the  LESSEE  and  the  LESSOR  against  any civil
    liability  claims,   demands,  lawsuits  or  actions, or
    against  the accidents or decease of any person,  or from
    any damages to the goods of any third party in connection
    with the use by the LESSEE of the LEASED PREMISES.
    LESSEE's indemnity to Landlord under this paragraph 6.1
    shall be limited to the amount of insurance required by
    LESSEE in paragraph 6.3 hereof.

6.2.    During  the  life  of this agreement,  the  LESSEE shall
    be fully responsible for rents unpaid for any reason
    imputable to LESSEE.

6.3.    During  the life of this agreement,  the LESSEE agrees to
    obtain an insurance policy in favor of the LESSOR to
    cover the LEASED PREMISES against fire, lightning,
    explosion, falling aircraft, collision, smoke, storms,
    hail, vehicle damage, earthquakes, volcanic eruption,
    strikes, riots, civil commotion, vandalism, flood and any
<PAGE>
 
    other risks currently covered or which in the future may
    be covered under the so called "extended coverage" policy
    (including windows and gas tank coverage).   In view of
    the foregoing,  the LESSEE hereby waives any right to
    demand payment  from the LESSOR for damages caused by
    fire, explosion and other unforeseen events.  The
    corresponding insurance policy shall cover an insurable
    value  of $2'600,000.00  DOLLARS (TWO MILLION SIX HUNDRED
    THOUSAND DOLLARS 00/100 U.S. Cy.).

6.4.    The coverage mentioned in paragraph 6.3 above shall be
    annually  increased thereafter in accordance with the
    annualized percentage increase of theConsumer Price Index
    for the  San Diego, California Metropolitan Area,
    published by the U.S.  Department of Labor for the
    immediately preceding year.

SEVENTH. TAXES AND COSTS

  The LESSOR shall be responsible of payment of the income and
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assets taxes to which it is obligated.  On its part, the LESSEE
shall be responsible for the payment of the real estate and any
other taxes or costs which may affect the LEASED PREMISES,
including VAT, which may derive from this agreement or which may
derive from the use of the LEASED PREMISES by the LESSEE.  The
LESSEE shall submit to the LESSOR evidence satisfactory to the
LESSOR that such taxes have been paid.

EIGHTH.  REPAIRS AND MAINTENANCE

8.1.     LESSOR
    8.1.1.   After written notice from the LESSEE, the LESSOR
    shall  repair the structural or construction defects of
    the foundation, floors, walls and roof of the LEASED
    construction or as a consequence of the normal use of the
    same, and for defective construction of HVAC, plumbing
    and other systems, attempting to carry out this work
    within 24 hours from notification.  The LESSOR shall not
    be responsible for the repairs of the LEASED PREMISES,
    unless the LESSEE informs such circumstances immediately
    to the LESSOR.

    8.1.2.  The LESSOR shall not be responsible, nor have the
    obligation  to repair the damages caused by the LESSEE'S
    negligence,   or  that  of  LESSEE's workers, clients,
    contractors or guests.

    LESSOR shall not be responsible for leaking roofs if this
    has been caused by any of LESSEE's workers, clients,
    contractors or guests by not carefully walking on roof
    while working.
<PAGE>
 
8.2.   LESSEE
 
      8.2.1. LESSEE shall be responsible for the repairs to
      the damages suffered in the LEASED PREMISES other than
      those referred  to  in clause 8.1.  hereinabove.  The
      damages referred  to  in  this paragraph include, but are
      not limited  to,  the damages and maintenance that shall
      be given to the plumbing systems, sewage, telephone, gas,
      as well  as  for the equipment, interior walls, interior
      painting,  air conditioning, heaters, doors and windows,
                                      11
 
      etc., of the LEASED PREMISES.  All the expenses resulting
      of disregarding and  the negligence of  the LEASED
      PREMISES,  or  a violation and the obligations  of the
      LESSEE set herein, shall be borne by the LESSEE.  Among
      the responsibilities are included among other things the
      maintenance of the roof gutters and landscaping.

      8.2.2.  The LESSEE shall maintain the LEASED PREMISES and
      its improvements free from any liens.


NINTH. INDEMNIFICATION

If  either party (the "INDEMNIFIED PARTY") is held responsible
for any obligation undertaken by the other (the "INDEMNIFYING
PARTY"), the INDEMNIFYING PARTY shall indemnify and hold the
INDEMNIFIED PARTY harmless from any and all claims for damages or
losses of any kind, and to restore or reimburse any all such
costs and expenses to the INDEMNIFIED PARTY.


TENTH. UTILITY SERVICES

The LESSEE agrees to request directly from the corresponding
utility companies that the public services be rendered by such
companies, to pay for the corresponding connection fees and to
promptly pay for any and all utilities and related services
furnished to the LESSEE in the LEASED PREMISES, including but not
limited to water, gas, electricity, and telephone charges.


ELEVENTH. ASSIGNMENT AND SUBLETTING

11.1    The  LESSEE  may not assign its  rights  and obligations
    under  this  agreement unless the assignee is an
    affiliate of the LESSOR, nor may it sublet the LEASED
    PREMISES    unless   it   obtains   the   prior written
    authorization of the LESSOR not be unreasonably withheld.

11.2    The  LESSOR shall be entitled to assign,  in whole or in
    part,  its  rights and obligations under this agreement.
    Consequently,  the LESSEE hereby grants authorization to
<PAGE>
 
                                   12

    the  LESSOR  so  that  the  latter  may  formalize, the
    assignments  which  it may deem  appropriate.  Likewise,
    LESSOR  shall be expressly entitled to guarantee  any of
    its  present or future obligations with its rights under
    this agreement.  LESSEE shall have the right to approve
    in writing in advance any such assignment by LESSOR and
    LESSOR agrees to provide LESSEE all names of the
    prospective individual owners of the entity to which
    LESSOR desires to assign the lease and the financial
    capability of such new entity and/or owners.

TWELFTH. ACCESS TO THE LEASED PREMISES

12.1    The LESSOR or its authorized representatives shall have
    the right to enter the LEASED PREMISES in emergencies at
    all times, and at mutually agreeable times to make
    repairs,  additions, or alterations to the LEASED
    PREMISES  which it may be authorized or obligated  to do
    under this agreement.

12.2    LESSOR,  within  a ninety (90) days period prior to the
    termination of this agreement,  shall  have the right to
    show the LEASED PREMISES  to  any prospective clients,
    provided such prospective client or tenant does not
    compete with LESSEE in the same business, in whole or in
    part.  Likewise, and during the above mentioned term, the
    LESSOR shall have the right to post the signs which it
    may  deem appropriate in the facade of the LEASED
    PREMISES in order to promote the same.

12.3    Except in case of emergency, the LESSOR shall give notice
    to  the LESSEE before entering the LEASED PREMISES, and
    the   LESSEE   shall  have  the  right to escort any
    representatives of the LESSOR and prospective clients.
    LESSEE shall have the right to protect LESSEE's
    proprietary data and information as well as proprietary
    engineering or manufacturing processes and operations
    from disclosure to any third party, even though such
    third party may be a prospective client or tenant of
    LESSOR.


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THIRTEENTH.  DAMAGE OR DESTRUCTION

13.1   TOTAL

    In the event the whole or substantial part of the LEASED
    PREMISES  are  damaged or destroyed so as to  impede the
    LESSEE's  operation  for the purposes for which the same
    were leased, the LESSOR shall, within ten (10) days from
<PAGE>
 
    such destruction,  determine whether the LEASED PREMISES
    can  be restored within the following three (3) months
    and notify the LESSEE of such determination.  If the
    LESSOR determines that the LEASED PREMISES cannot be
    restored within the following three (3) months, either
    the LESSOR  or the LESSEE shall have the right and option
    to immediately  terminate this Lease Agreement by means
    of a written  notice  to  the other  party.  If the
    LESSOR determines  that  the LEASED PREMISES can be
    restored within said three (3) month period, the LESSOR
    shall, at its  own expense, proceed diligently to
    reconstruct the LEASED PREMISES,  but only up to the
    amount which it may obtain  from the insurance coverage
    mentioned in Clause Sixth above.


13.2   PARTIAL

    In the event the referred damages do not prevent the
    LESSEE, in a substantial  way,  from  continuing the
    normal operation of its business on the LEASED PREMISES,
    the LESSOR or the LESSEE, as the case may be, shall
    repair said damages under the terms of clause EIGHT
    above.

13.3    If  the  damage in question is caused by a  negligent or
    willful  act of the LESSEE or its employees, the LESSEE
    agrees to punctually pay the rent hereunder.


FOURTEENTH.- CAUSES FOR TERMINATION OF LEASE.

  The LESSEE will have the right to terminate this lease at
any time in case that for any circumstance of force majeure,
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fortuitous case or acts of government (expropiation, seizure,
etc.) he  cannot continue industrial operations within the leased
premises.  In such a case the LESSEE will notify the LESSOR of
his intention to terminate the lease 30 days in advance of the
effective date of termination.  In the event LESSEE elects to
terminate the lease as allowed in this paragraph 14, then the
LESSEE shall be free of any further obligations or lease payments
under the lease upon written notification to LESSOR of LESSEE's
termination, as provided for in this paragraph 14.

FIFTEENTH.  LESSOR'S RIGHT TO PERFORM THE LESSEE'S COVENANTS.

If  the LESSEE shall at any time fail to perform any one or more
of its covenants made in this lease,  the LESSOR,  after five (5)
business days written notice to the LESSEE (or without notice in
the event the  act  or acts to be performed in fulfillment of the
breached covenant require an immediate action) and without
<PAGE>
 
waiving or releasing the LESSEE from any obligation of the LESSEE
contained in this Lease, may (but shall be under no obligation to)
perform any act on the LESSEE's part to be performed as provided in
this lease, and may enter upon the LEASED PREMISES for that purpose
and take all such actions thereon as may be necessary therefor.

All sums paid by the LESSOR and all costs and expenses incurred
by the LESSOR in connection with the performance of any such
obligation of the LESSEE, shall be payable by the LESSEE to the
LESSOR on demand, in the the late understanding that reimbursement
of costs and expenses shall accrue delinquent interest at a rate of
five percent (5%) per month.  

SIXTEENTH.- GUARANTIES
 
16.1  LESSOR hereby acknowledges to have received from LESSEE, as
     deposit, the  amount of $65,000.00 DOLLARS (SIXTY FIVE THOUSAND
     DOLLARS 00/100 U.S.Cy.) consisting of the equivalent of two 
     month's rent as security deposit throughtout the course of the 
     lease.


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16.2  The deposit of $65,000 Dollars will be reimbursed to the
     LESSEE, without interest, after the LESSOR carries out an 
     inspection of the condition on which the leased Premises are 
     returned.

16.3  LESSEE shall obtain and deliver to LESSOR, within 5 days
     following execution of this agreement, a guaranty from
     LOWRANCE ELECTRONICS, INC. under the terms of the
     "Absolute Guarantee of Lease" which is attached hereto as
     Exhibit "D".  Accordingly, LOWRANCE ELECTRONICS, INC.
     shall guaranty any and all obligations of the LESSEE
     under this agreement.

16.4  In case of early termination for any forseeable cause
     attributable to the LESSEE,  the LESSOR shall be entitled
     to keep any amounts  delivered  to  the  LESSOR as
     prepaid  rent or deposit,  regardless of any other rights
     which the LESSOR may be entitled to.  Such amount shall
     be applied to amounts owed by LESSEE hereunder.


SEVENTEENTH.-  NOTICES

17.1  Any notice to be given to the LESSOR under this agreement
     shall be sent to the address mentioned in recital I.B.
     or to  such other addresses which may from time to time
     be notified by the LESSOR to the LESSEE.
<PAGE>
 
17.2    Any notice to be given to the LESSEE under this agreement
    shall be addressed to the LEASED PREMISES, with a copy to
    12000 East Skelly Drive, Tulsa, Oklahoma  74128, Ave.
    Reforma #____, Ensenada, Baja California, Mexico.

17.3    Said notices shall be in writing,  and shall be delivered
    personally  to  the legal representative of the party in
    question,  or sent by certified mail, postage prepaid to
    the  addresses mentioned  above, in which case the
    corresponding notice shall be deemed delivered fourteen
    (14)  days after the date of mailing thereof.



                                   16
EIGHTEENTH. EARLY TERMINATION

The  LESSOR  may  terminate this agreement  with  proper written
notification or default in any of the following circumstances:

18.1    In case the term expressed in clause FOURTH above
    expires.

18.2    The  LESSEE's  failure  to pay any monthly rent  due and
    payable hereunder within 10 days of receipt of notice of
    such failure.

18.3    Default  in  the  performance  of  any  of  the LESSEE's
    covenants, agreements or obligations hereunder which
    remains incured 10 days after LESSEE's receipt of notice
    thereof or, if such default cannot be fully cured within
    10 days, if LESSEE has not commenced such cure within 10
    days.

18.4    The  filing  of a petition  of  bankruptcy  against the
    LESSEE.

18.5    In  case any competent court declares that any provision
    hereunder is null and void so that the purposes of the
    parties in entering this Lease are rendered futile.

18.6    Any other cause provided in the corresponding civil code.


In  case LESSOR initiates any action to terminate this agreement,
due to the LESSEE's vacancy of the LEASED PREMISES prior to the
end of the LEASE TERM or its failure to vacate at the end of the
LEASE TERM, LESSEE shall reimburse LESSOR any costs of such
action.  The LESSEE acknowledges that this clause shall not be
construed as an authrorization to occupy the LEASED PREMISES
beyond the term set forth herein.
<PAGE>
 
                                 17

NINETEENTH.- MISCELANEOUS
 
19.1  In case any party fails to execute any action against the
     other as to project a certain right under this agreement, 
     said failure shall not be construed as a waiver of any other 
     rights derived herefrom.
 
19.2  This agreement may only be modified by written agreement
     signed by the authorized representatives of the parties.
 
19.3  In case any party hereto exercises an action against the
     other in order to  demand the performance of this agreement,
     the prevailing party shall be entitled to reasonable attorney's
     fees.
 
19.4  The parties agree that this Lease Agreement shall be
     governed by the laws  of State of Baja California. For
     everything pertaining to the interpretation and compliance
     of this Lease Agreement the parties hereby expressly submit
     to the jurisdiction of the Civil Courts of the City of Tijuana,
     Baja California,waiving any other jurisdiction which might be
     applicable by reason of their present or future domiciles or
     otherwise.

IN  WITNESS WHEREOF,  the parties have executed this agreement in
the places and on the dates stated hereinbelow.


  LESSOR                                  LESSEE

ERIC JUAN DE DIOS FLOURIE            ELECTRONICA LOWRANCE DE
GEFFROY                MEXICO, S.A. DE C.V.


___________________________          By: _____________________
                     Name: Terry Nimmo
                     Title: __________________
Date: _____________________          Date: ___________________
Place: ____________________          Place: __________________

                                 18


               GUARANTOR
           LOWRANCE ELECTRONICS, INC.
<PAGE>
 
           By:  _______________________
           Name: ______________________
           Title: _____________________
           Date: ______________________
           Place: _____________________



    WITNESS                     WITNESS


________________________
________________________



lowrance
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