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Mechanical Calculators Manufacturer Database
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Brand
|
Manufacturer |
Origin |
First |
Last |
Type |
Info |
|
| D | |||||||
 | D'Azevedo, Continho | POR | 1884 | - | M | - | |
 | Da | BEL | 1952 | 1958 | M, A | - | |
 | Dacometer | Dacorema, Rich. Müller A/S | DEN | 1947 | - | M | - |
| Dacorema | DEN | 1901 | - | M |  | |
| Dactyle | Château Frères | FRA | 1905 | - | M | |
| Daemen, Schmidt & Co. | SWI | >1910 | - | S | | |
| Dalton Adding Machine Co. | USA | 1902 | 1956 | M, E | | |
| Damien, Maurice | FRA | >1940 | - | S | | |
| Danaddo | Danuvia Ipari és Kereskedelmi Rt. | HUN | 1949 | - | A | |
| Danckwerts, Rudolf E.W. | GER | - | - | ? | - | |
| Danuvia Ipari és Kereskedelmi Rt. | HUN | 1949 | - | S | | |
| Dargue Brothers Ltd. | UK | <1910 | 1945 | S | | |
| Darnley | UK | 1920 | - | S | | |
| Davis Instruments Corp. | USA | - | - | S | | |
| De Beauclair, Wilfried | Technische Hochschule Darmstadt | GER | 1930s | - | D | |
| De Boistissandeau, Hillerin | FRA | 1730 | - | M | - | |
| De Leon Import & Export Co (ODELCO) | SUN | PHI | - | - | S | |
| Deeva | IND | - | - | S |  | |
| Delta - Ozi SeisaKusho | JAP | - | - | S | - | |
 | Delton | Hugo Bunzel | AUT | <1908 | - | M | |
| Demos | Theo Müggli | SWI | 1923 | - | M | |
| Dempster, Jack | USA | <1933 | - | S | | |
| Den Norske Stansefabrik A/S (Stansa) | NOR | - | - | M, E | | |
| Denise | ? | 1930 | 1960 | M | - | |
| Dennert & Pape | GER | - | - | S | | |
| Dennis, Adolphus Sylvester | USA | 1908 | - | M | - | |
| Denominator Adding Machine Co. | USA | 1915 | 1925 | M | | |
| Desk Add-a-Matic | Chadwick | JAP | 1950 | 1960 | M | - |
| Deuspa | ? | - | - | S |  | |
| Deutsche Rechenmaschinen-Werke AG | GER | - | - | M | - | |
| Deutsche Telephonwerke und Kabelindustrie AG (DeTeWe) | GER | 1887 | 1958 | M | | |
| Devaux-Chevet (Baj) | FRA | - | - | S | - | |
| Devco | USA | 1950s | - | S | | |
| Dial-A-Matic | Sterling Plastics Co. | USA | 1954 | - | A | |
| Diehl GmbH | GER | 1902 | 1959 | M, E | | |
| Diera | ? | 1906 | - | M | | |
| Dieterich-Post Co. | USA | - | - | SP | | |
| Dietrich-Post Co. | USA | - | - | S | - | |
| Dietzhold, Curt | GER | 1876 | - | M | | |
| Digitrex | Heiwa Seimitsu Co., Ltd. | JAP | <1970 | - | E | - |
| Dimier | FRA | - | - | S |  | |
| Dimm | ITA | 1957 | - | M | | |
| Ding Feng | CHN | 1960s | - | S | | |
| Direct | Theo Müggli (Moesch & Huber) | SWI | 1920 | 1937 | M, E | - |
| Disney, Walt | USA | - | - | A, S | | |
| Diwa Manufacturing Co. | DEN | - | - | S | | |
| Dixi | Dixma A.B. | SWE | 1940 | 1963 | M, E | - |
| Dixma A.B. | Addo | SWE | 1939 | 1964 | M, E | |
| Donkin, Bryan | UK | - | - | S | | |
| Downing, Samuel | UK | 1833 | - | M | - | |
| Dr. Albert Hauff | GER | 1910c | - | S | | |
| Dring & Fage | UK | 1900s | 1940s | S | | |
| Ducati | Radio Ducati | ITA | - | - | M | - |
| Duco Adding Machine Co. | USA | 1914 | 1919 | M | - | |
| Duconta | Ducati | ITA | - | - | M | - |
| Dudley, G. W. | Numerograph Mfg. Co. | USA | 1896 | - | M | - |
| Dumesnil, C. | FRA | ~1900 | - | S | | |
| Duntley Adding Machine Co. | USA | 1908 | - | M | - | |
| Dupa | Aristo | USA | - | - | S | |
| Duplex | Addimult | SWI | ~1940 | - | A | - |
| Duplex Typewriter Co. | USA | 1895 | - | M | - | |
| Duschanek, Carl | GER | 1886 | - | M | - | |
| Duval | FRA | - | - | S | - | |
| Dux | Forum Schmidt | DEN | 1910 | - | M | - |
| Dynamit AG | GER | 1945 | 1955 | M | - | |
| Dzerzhinsky-Mech.-Fabrik | RUS | - | - | ? | - | |
(c) epocalc 2012