Although [Simon Boak] had no use for an automatic paper tape punch, this was one of those intrusive project thoughts that had to be put to rest. With not a lot of DIY projects to look at, the first ...

This ten-key printing manually operated adding machine has an black aluminum frame with a steel keyboard painted green. The white plastic digit keys are arranged in two rows and marked with digits and ...

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 ten-key printing electric adding ...