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Mechanical Calculators Manufacturer Database
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Brand
|
Manufacturer |
Origin |
First |
Last |
Type |
Info |
|
| U | |||||||
 | U.S. Blue | Hemmi | USA | - | - | S |  |
 | Uchida Yoko | JAP | - | - | S | | |
 | Ugrich, J. | GER | <1907 | - | S | | |
| Uhrenfabrik Werner | GER | 1907 | - | M | | |
| Ultra | Oerlikon Bührle | SWI | <1958 | 1962 | E | |
 | Underwood Sundstrand | Underwood | USA | 1914 | 1962 | M, E | - |
| Underwood Typewriter Co. | USA | 1874 | 1973 | M, E | | |
| Ungarische Rechen- und Schreibmaschinenfabrik AG | HUN | <1912 | - | M | | |
| Unical AG | SWI | 1943 | 1949 | A | | |
| Union Instruments | USA | - | - | S | - | |
| Union Nationale Inter Syndicale (UNIS) | FRA | - | - | S, A | | |
| Unique Slide Rule Company | UK | 1920 | 1975 | S | | |
| Unitrex | Eiko | JAP | - | - | E | |
| Universal Adding Machine Co. | USA | 1904 | 1910 | M | - | |
| Urania-Vega | Clemens Müller | GER | 1920 | - | M | - |
| Urtzberger | ? | 1866 | - | M | - | |
| Utax-Ricoh | Ricoh | JAP | 1969 | 1973 | E | - |
| UTO | DEN | 1950s | - | S | | |
(c) epocalc 2012