Your contribution greatly helps! Thank you! ~ CHAP. -- Computer History: A 10 minute look back at punch cards from the early 1900's up to the 1960's. Vintage films and photos of early IBM, Remington Rand and other keypunch, tabulating, calculating and computing machines. - Special thanks to IBM Archives, UNISYS Archives, US Government Archives and others, for vintage material. Compiled and edited by Computer History Archives Project. Narrated by David Melvin.