insider.si.edu

Burroughs Class 4 Adding Machine

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 full keyboard printing electric ...
insider.si.edu

Gem Adding Machine

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 small stylus-operated ...