From magnetic tape and rare film to lab notebooks and business plans to early mainframes and source code, our collection is as diverse as the history of computing. It is a rich resource for everyone, comprising historical objects, documents, software titles, ephemera, and photographs and moving images.
Note: CHM's online catalog has been updated through January 23rd, 2025. A new and improved catalog will be launched in Summer 2025.
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Catalog contains over 151,130 records.
Circuits and instructions
Document, 1949-1951
102671913
Inquiries about Simon
Document, 1950-1951
102726114
Wiring diagrams
Document, 1950
102671912
Publicity clippings
Document, 1950
102671921
Scientific American magazine
Scientific American
Document, 1950-11
102726118
Problems, coding, and tapes
Document, 1949-1951
102671910
Simon exhibit correspondence
Document, 1950-1951
102726121
Simon V
Document, 1966
102671924
Robot squirrel hunts his own food
Popular Science Publishing Co., Inc.
Document, 1952-07
102714255
Old construction plans
Document, 1947-1951
102671914
Fact sheets, press releases, and lecture abstracts
Document, 1950
102671919
Exhibit of robot machines
Document, 1950
102726113
Miscellaneous Simon materials
Document, 1949-1952
102726120
Kits and publications for sale
Edmund C. Berkeley and Associates
Document, 1960-1961
102671923
Construction plans, 2nd edition, working copy
Edmund C. Berkeley and Associates
Document, 1950-1951
102671916
Simon clippings and exhibition proposal
Scientific American; Radio-Electronics; Edmund C. Berkeley and Associates
Document, 1950
102726122
Radio-Electronics articles
Document, 1951
102726115
Construction plans, 3rd edition, working copy
Edmund C. Berkeley and Associates
Document, 1955
102671918
Simon and Squee publicity
Document, 1950-1951
102714256
Simon presentation charts and articles
Document, 1950-1952
102726112