This full keyboard printing adding machine is manually operated. It has a metal frame painted black, with a metal keyboard painted green. There are five columns of black and white color-coded plastic ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Burroughs Adding Machine Company, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback