Title
Guide to the Keith G. Calkins collection on Sigma systems
Catalog Number
102733948
Type
Document
Description
The Keith G. Calkins collection on Sigma systems consists of material documenting the Sigma computers developed and released by Scientific Data Systems (SDS), Xerox, Honeywell, Inc., and Telefile Computer Products. The collection holds records from all of these companies as well as the user groups focused on Sigma machines and their operating systems and software. Included in the collection are program descriptions of software designed for Sigma systems, manuals, maintenance and testing reports, conference proceedings, and records relating to Telefile Computer Products and its user group TeleXchange. Sigma machines were released and operated primarily from 1966 through 1993 and the material in this collection spans 1969 through 1987.
Date
1969-1987; bulk 1972-1984
Author
Doub, Bo; Hayden, Kim; Lott, Sara Chabino
Publisher
Computer History Museum
Extent
10.75 linear feet in 8 record cartons and 1 small box
Category
Finding Aid
Subject
Calkins, Keith G. (Keith Gordon), 1958; Computer software--Development; EXCHANGE; Honeywell Inc.; Scientific Data Systems; Sigma series; Telefile Computer Products; TeleXchange; Xerox Corporation
Collection Title
Keith G. Calkins collection on Sigma systems
Credit
Gift of Keith Calkins