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Objects in Harvard IBM Mark I Automatic Sequence Controlled Calculator Collection

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Title (A–Z)Title (Z–A)Date (Older First)Object number (Ascending)Primary Maker (A-Z)

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Objects in Harvard IBM Mark I Automatic Sequence Controlled Calculator Collection

1 to 12 of 124

• Artist / Maker / Culture: Robert V. D. Campbell  
• Artist / Maker / Culture: Robert L. Hawkins  

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comparative display of standard counters and later IBM ASCC-Mark I counters

International Business Machines Corporation

1929-1938

IBM ASCC-Harvard Mark I photo album

International Business Machines Corporation

1944

IBM ASCC-Mark I cams, counters, and relays

International Business Machines Corporation

1939-1944

IBM ASCC-Mark I card weight, paper guide, two multiprong relays

International Business Machines Corporation

circa 1944

IBM ASCC-Mark I chain link

International Business Machines Corporation

circa 1944

IBM ASCC-Mark I computer framed photograph

Harvard Computation Laboratory

1945-1955

IBM ASCC-Mark I model 5 single coil

International Business Machines Corporation

circa 1944

IBM ASCC-Mark I photo album: a Mark I interpolator tape-feeding mechanism

International Business Machines Corporation

1944

IBM ASCC-Mark I photo album: Benjamin Durfee, IBM engineer

International Business Machines Corporation

1944

IBM ASCC-Mark I photo album: bottom-leftmost panel of multiply-divide unit

International Business Machines Corporation

1944

IBM ASCC-Mark I photo album: bottom of Mark I multiply-divide unit

International Business Machines Corporation

1944

IBM ASCC-Mark I photo album: bottom of Mark I multiply-divide unit

International Business Machines Corporation

1944

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