IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a combination adding machine ...
This small lever-set non-printing manually operated adding machine has a dark green metal case. Thelid opens to reveal 9 curved levers which are moved forward to set a number. Large digits beside the ...
While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain ...
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