Adding Machine

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A calculator that performs simple arithmetic functions

Galleries

Calculators

Source

Government Printing Office Official Gazette (Washingon, DC: Government Printing Office, 1912)

Downloads

TIFF (full resolution)

2400×1708, 792.1 KiB

Large GIF

1024×728, 140.5 KiB

Medium GIF

640×455, 72.0 KiB

Small GIF

320×227, 24.1 KiB