Computer Histories XV

"In March 2013, Mark Greenia donated a variety of vintage computer components, including a 1950's UNIVAC metal tape reel, a 1948 IBM Pluggable Unit, and other items. Mr. Greenia is a fan of the RICM and the author of the digital work "History of Computing: An Encyclopedia of the People and Machines that Made Computer History." An online sample of the encyclopedia and many early computer photos can be seen at this link:!.HTM