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Mechanical Calculators Manufacturer Database
|
Brand
|
Manufacturer |
Origin |
First |
Last |
Type |
Info |
|
H | |||||||
![]() | H. Morin | FRA | - | - | S | ||
![]() | H. Oehlmann & Co. | GER | 1913 | - | M | ||
![]() | H.C. Lange | GER | - | - | S | ||
![]() | H.R. Potter | UK | >1949 | - | SP | ||
![]() | HABS | SPA | - | - | A | ||
![]() | Hachette | FRA | 1852 | - | S | ||
![]() | Haenni | SWI | 1960s | - | SP | ||
![]() | Hahn, Phillip Matthäus | GER | 1774 | 1776 | A | - | |
![]() | Haiou Pai | CHN | - | - | S | ||
![]() | Halden, Joseph | UK | - | - | S | ||
![]() | Hallmark | Puretec Inc., Tokyo Electric Co. | JAP | >1950 | - | E | - |
![]() | Hamann | DeTeWe, Hamann-Rechenmaschinen GmbH | GER | 1958 | - | M | - |
![]() | Hamann Mathematisch-mechanisches Institut | GER | 1896 | 1916 | A | ||
![]() | Hamann-Manus | DeTeWe | GER | 1925 | 1970 | M | |
![]() | Hammenstede, Eduard | GER | 1882 | - | M | - | |
![]() | Hannovera Rechenmaschinrnfabrik, Oventrop, Heutelbeck und Co. | GER | 1921 | 1956 | M | ||
![]() | Hannyngton, John Caufield | UK | - | - | S | ||
![]() | Hansa-Technik GmbH | GER | - | - | S | - | |
![]() | Hanseatic | ? | >1950 | - | E | - | |
![]() | Hardmuth | UK | ~1940 | - | S | ||
![]() | Harmon | ? | - | 1925 | M | - | |
![]() | Hart, William | USA | 1878 | - | M | - | |
![]() | Hartree, Douglas / Porter, Arthur | Manchester University | UK | 1934 | - | D | |
![]() | Hasbro | USA | - | - | A | - | |
![]() | Hayes | ? | - | - | M | - | |
![]() | Heath & Co. | UK | 1960s | - | SP | ||
![]() | Hebecker & Taetzel | GER | 1954 | - | M | - | |
![]() | Hedberg, Donald D. | USA | >1955 | - | SP | ||
![]() | Heine & Sohn KG | GER | 1971 | - | M | ||
![]() | Heinevetter | GER | 1975 | - | S | ||
![]() | Heinitz, Woldemar | GER | - | - | M | ||
![]() | Heiwa Seimitsu Co., Ltd. | JAP | 1970s | - | E | - | |
![]() | Helios | ? | - | - | M | - | |
![]() | Helix | UK | ~1970 | - | S | ||
![]() | Hellerman | DEN | - | - | S | - | |
![]() | Hellström, J.F. | SWE | 1879 | - | A | - | |
![]() | Hemmi Jirou & Co. | JAP | 1895 | 1973 | S | ||
![]() | Henschel | USA | - | - | S | ||
![]() | Hermes | Precisa AG, Hermes-Precisa | GER | 1950s | - | M, E | - |
![]() | Hermes-Precisa International AG | GER | >1960 | 1969 | E | ||
![]() | Herring Computing Machine | USA | 1918 | - | M | - | |
![]() | Heureka | A.G. für Techn. Industrie | SWI | 1907 | - | M | |
![]() | Hewig | USA | - | - | A | - | |
![]() | Hexco Inc. | USA | <1968 | - | A | ||
![]() | HH Universum | GER | 1930s | - | S | ||
![]() | Hietts, De Kerniea James Thomas | USA | 1897 | 1903 | M | - | |
![]() | Hill, Thomas | USA | 1857 | - | M | - | |
![]() | Hiltpold, E.W. | SWI | 1940s | - | S | ||
![]() | Hiltra | JAP | - | - | A | - | |
![]() | Hispano-Olivetti | SPA | 1950s | - | M | - | |
![]() | Högfors | A.B. Affärssystem | SWE | 1930 | - | M | - |
![]() | Holland, J.S. | UK | 1835 | - | M | - | |
![]() | Hollerith, Herman | USA | 1890 | - | E | ||
![]() | Holman Engineering Works | UK | - | - | A | ||
![]() | Holz, Heinrich | GER | 1930 | - | A | ||
![]() | Hono | JAP | 1970s | - | S | ||
![]() | Hono-Rietz | Graphoplex | ITA | - | - | S | - |
![]() | Hope Slide Rule Mfg. Co., Ltd. | JAP | - | >1970 | S | ||
![]() | Howitzer | USA | >1952 | - | S | ||
![]() | Hüber, Robert | GER | - | - | ? | - | |
![]() | Hübner, Otto | GER | - | - | M | - | |
![]() | Huet | FRA | - | - | S | ||
![]() | Hughes-Owens (H-O) | SUN, Hemmi | CAN | - | - | S | |
![]() | Hüttebräuker, Gustav | Metallwarenfabrik - Stanz- und Prägewerk | GER | 1897 | - | S |