Leibniz wheel
A Leibniz wheel or stepped drum is a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators. Invented by Leibniz in 1673, it was used for three centuries until the advent of the electronic calculator in the mid-1970s.
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Leibniz wheel
A Leibniz wheel or stepped drum is a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators. Invented by Leibniz in 1673, it was used for three centuries until the advent of the electronic calculator in the mid-1970s.
has abstract
A Leibniz wheel or stepped dru ...... cond part of the 20th century.
@en
Un cylindre cannelé de Leibniz ...... ble construite de 1948 à 1972.
@fr
Una roda de Leibniz o cilindre ...... n la segona part del segle XX.
@ca
Una rueda de Leibniz o cilindr ...... ucida a mediados del siglo XX.
@es
Колесо Лейбница или шаговый ба ...... пускавшимся в 1948—1970 годах.
@ru
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A Leibniz wheel or stepped dru ...... c calculator in the mid-1970s.
@en
Un cylindre cannelé de Leibniz ...... ble construite de 1948 à 1972.
@fr
Una roda de Leibniz o cilindre ...... mitjans de la dècada de 1970.
@ca
Una rueda de Leibniz o cilindr ...... mediados de la década de 1970.
@es
Колесо Лейбница или шаговый ба ...... середине — конце 1960-х годов.
@ru
label
Cylindre cannelé de Leibniz
@fr
Leibniz wheel
@en
Roda de Leibniz
@ca
Rueda de Leibniz
@es
Staffelwalze
@de
Колесо Лейбница
@ru