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9 results for: adding

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An adding machine designed by Blaise Pascal
ARP23A18_026

An adding machine designed by Blaise Pascal

President Cleveland adding boards to a fence
ARP18A17_145

President Cleveland adding boards to a fence

President Cleveland standing behind a wall of flames
ARP18A17_106

President Cleveland standing behind a wall of flam...

President Cleveland adding boards labelled 'Extension of Civil Service Reform
ARP18A20_134

President Cleveland adding boards labelled 'Extens...

Jean Baptiste von Helmont
ARP07104_460001295

Jean Baptiste von Helmont

Colorimeter, after design by Labilliardiere with modifications by Salleron
ARP07104_460001311

Colorimeter, after design by Labilliardiere with m...

Clerk using a Pascal type of adding machine
ARP07094_390000972

Clerk using a Pascal type of adding machine

Pascal's digital counting machine (1642)
ARP07094_390000973

Pascal's digital counting machine (1642)

Adding hops to boiling beer in an American brewery
ARP07093_390000117

Adding hops to boiling beer in an American brewery