For simple or complicated math calculations, pencil and paper, and perhaps a slide rule, were must-have supplies. I was ...
Chris Fenton hopes to build a working electromechanical computer out of parts made by a 3D printer. He has currently developed a working prototype of a punch card reader. Chris Fenton hopes to build a ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Two IBM 80-column punch cards, tan.