-
twenty European companies built clones of the
arithmometer until the
beginning of
World War I. The
arithmometers of this
period were four-operation machines;...
- years, the
arithmometer was the only
mechanical calculator available for sale and was sold all over the world. By 1890,
about 2,500
arithmometers had been...
- Leipälä: The life and
works of W. T. Odhner, part 2.
Images of Odhner's
arithmometers.
Odhner Calculators -
Willgodt T.
Odhner -
Kevin Odhner. Calculating...
- and the
Bibliographical Society, 1998 "Production of Original-Odhner
Arithmometers in Russia,
Sweden and
Soviet Union 1912–1928.
Russian Virtual Computer...
- 100th
anniversary of the
invention of the
arithmometer,
Torres presented in
Paris the
Electromechanical Arithmometer,
which allowed a user to
input arithmetic...
- the
Russian Cheka,
initiated the
manufacturing of
arithmometers.
Later they were
named arithmometer Feliks and
served in the
Soviet Union well into the...
- his
death in 1870, his
manufacturing facility had
built around 1,000
Arithmometers,
making it the
first m****-produced
mechanical calculator in the world...
-
Thomas de
Colmar when he used it, a
century and a half later, in his
Arithmometer, the
first m****-produced
calculating machine. It was also used in the...
-
forty years later, by 1890,
about 2,500
arithmometers had been sold plus a few
hundreds more from two
arithmometer clone makers (Burkhardt, Germany, 1878...
- 100th
anniversary of the
invention of the
arithmometer,
Torres presented in
Paris the
Electromechanical Arithmometer, a
prototype that
demonstrated the feasibility...
