List View

Image Object NameRelated PeopleClassificationDateInventory Number
numerical ring from Babbage's first difference engineCharles Babbage Calculating Machine 1822-18341991-1-0001b
fragment of Babbage's first difference engineCharles Babbage Calculating Machine 1822-1834, reassembled in 18861991-1-0001a
comparative display of standard counters and later IBM ASCC-Mark I countersInternational Business Machines Corporation Computer Part 1929-19381997-1-0238
comparative display of standard wire contacts and later IBM ASCC-Mark I contactsInternational Business Machines Corporation Computer Part 1929-19381997-1-0239
comparative display of old cam with IBM ASCC-Mark I camInternational Business Machines Corporation Computer Part 1930-19371997-1-0236
model of tape rack for IBM ASCC-Mark IInternational Business Machines Corporation Computer Part 19361997-1-0240
a presentation image of the entire ASSC Mark I computer with major sections identified.
IBM Automatic Sequence Controlled Calculator (ASCC)- Harvard Mark IInternational Business Machines Corporation Computer 1939-19441997-1-0963a
IBM ASCC-Mark I cams, counters, and relaysInternational Business Machines Corporation Computer Part 1939-19441997-1-0234
IBM ASCC-Mark I chain linkInternational Business Machines Corporation Computer Part circa 19441997-1-0963e
IBM ASCC-Mark I card weight, paper guide, two multiprong relaysInternational Business Machines Corporation Computer Part circa 19441997-1-0963d
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