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.
Search the Catalog
Catalog contains over 151,130 records.
Rubber foot
Physical object
102692141
Memory system
Document, 1953
102660809
Signal translating device
Document, 1962
102660811
Digital computing system
Document, 1966
102683464
Miscellaneous historical related correspondence
Document, 1968-1993
102660847
Job offers
Document, 1941
102660823
Selective service records
Document, 1944; 1946; 1970
102660828
Newspaper clippings oversized
Document
102685268
Awards and Honors, oversized
Document
102680547
Mirror Memory response
Document, 1968
102660440
University of Pennsylvania education
Document, 1937; 1941
102660820
High speed printer
Document, 1961
102683461
Signal translating device
Document, 1963
102683459
Recorded interview
Document, 1966-01-25
102660837
UNIVAC maintenance
Document, 1953-06-26
102660604
Newspaper clippings 1968
Document, 1968
102660825
The stored program concept
Document, 1982
102683482
Signal translating device
Document, 1966
102683470
Resume
Document, Circa 1970
102660839
Smithsonian Institution correspondence
Document, 1963
102660579