books.google.com - IBM is heir to all the ideas for innovative ciphering machines of the past. From granite blocks used to tell time, to beads used for accounting purposes, to punch cards, to computer chips as small as a raindrop, all are the historical roots of this corporate legend. IBM began with a small group of visionaries...https://books.google.com/books/about/IBM_in_Endicott.html?id=YzlDdhWK3IsC&utm_source=gb-gplus-shareIBM in Endicott
