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Technology: 18th-19th c

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Sumador Chino (Chinese adder).
19th c Mexican Scientific Industrial Arts

John NAPIER (Edinburgh, Scotland, 1550 - 1617, Edinburgh, Scotland) Primary
c. 1880
19th c
Wood
Carved; assembled
Scientific
Scientific instrument
Mexico.
Computer History Museum. Mountain View. California.
tech0125
The calculating device, which was discovered in Mexico, was a desktop version of "Napier's Bones"

Caption: NAPIER John |Sumador Chino (Chinese adder). |Replica. | c. 1623|German|
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