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Improved slide rule (1 jan 1859 ano – 14 h 49 m, 1 jul 2019 ano)

Descrição:

French artillery lieutenant Amédée Mannheim invented an improved slide rule.

Adicionado na linha do tempo:

Counting/Caculating Inventions

4 nov 2019

0

0

360

Data:

1 jan 1859 ano

14 h 49 m, 1 jul 2019 ano

~ 160 years

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