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UDM - See Universal Data Machine.
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UIT
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UIT 85X. Featured calculator.
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UIT 22SP Euro market, resembles Sinclair designs, no other information, please email if you have any information on the company.
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Unico (Euro market ?)
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Unico P-805. Details. Apr. 07.
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Unico R-846 made in Singapore.
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Unicom (USA company, bought out by Rockwell c.1972)
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Unicom 102. Featured calculator.
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Unicom 103.
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Unicom 104+, inside.
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Unicom 201
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UniMark (U.S.A. marketer)
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UniMark 805T. Details.
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Union Carbide (U.S. chemical company)
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Union Carbide (probably a promotional item). Details. Feb 08.
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Unisonic
(Note: many Unisonics had a number on the front (840) and a variation number on the back (840-C). Often there was a difference in the features or keys of the model from another variation of the same basic model number.)
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Unisonic, no model # shown, if you have info on model #, please email.
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Unisonic 676. Details. Feb 08.
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Unisonic 711. Feb 08.
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Unisonic "Slide Rulette" 738
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Unisonic 740 ("740-B" on back). Apr 07.
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Unisonic 811.
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Unisonic 840 ("840-C" on back).
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Unisonic 890 ("890-A" on back). Apr 07.
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Unisonic 940.
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Unisonic Mini. Details.
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Unisonic "Slide Rulette" 888
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Unitra Eltra (Polish company)
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Unitra Eltra BRDA 10U. Details. Mar 07.
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Unitra Eltra BRDA 11U, inside. Details. Mar 07.
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Unitra Eltra BRDA 12U, inside. Details. Mar 07.
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Unitra Eltra K-741. Details. Mar 07.
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Unitra Eltra K-741M. Details. Mar 07.
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Unitra Eltra K-765M. Details. Mar 07.
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Unitrex
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Unitrex 80KF
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Unitrex 95S
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Unitrex 801MR (with malfunctioning display).
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Unitrex 902R
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Universal (Euro-market)
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Universal 101
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Universal Data Machine (UDM) (USA company)
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Universal Data Machine (UDM) TKB001, photo2, inside, made in USA, very early
(1971-72).
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Universal Data Machines TKB 0001 and TKB 02
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Unknown manufacturer/distributor (If you can provide any information about these please contact us).
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Unknown 2, Child's Teaching Speaking Calculator. Featured calculator.
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Unknown 3, tiny calculator, inside. Featured calculator.
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Unknown 4, tiny scientific calculator, inside. This appears to be a partly assembled kit calculator with some
components missing, including keys. Featured calculator. Apr. 07.
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TC-8M. Details.
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