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Harvard IBM Mark I Automatic Sequence Controlled Calculator (9)

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IBM ASCC-Harvard Mark I photo album

This is a black-covered photo album with black-paper pages. 117 black-and-white glossy photographs are glued to 109 pages. The images portray the assembly of the IBM Automatic Sequence Controlled Calculator (Harvard Mark I) computer in the Cruft Laboratory of Harvard University's Physics Department and the ceremony in August 1944 in which it was dedicated.

Details of the people and activities in each photograph are given in separate entries from Lib.1964-001 to Lib.1964-109. Inventory record numbers with "a" and "b" attached refer to pairs of images originally glued to a single page of the album.

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

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

International Business Machines Corporation
1929-1938
IBM ASCC-Mark I cams, counters, and relays

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

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

International Business Machines Corporation
circa 1944
IBM ASCC-Mark I  chain link

IBM ASCC-Mark I chain link

International Business Machines Corporation
circa 1944
IBM ASCC-Mark I computer framed photograph

IBM ASCC-Mark I computer framed photograph

Harvard Computation Laboratory
1945-1955
IBM ASCC-Mark I model 5 single coil

IBM ASCC-Mark I model 5 single coil

International Business Machines Corporation
circa 1944
IBM ASCC-Mark I model 6 latch

IBM ASCC-Mark I model 6 latch

International Business Machines Corporation
circa 1944
IBM ASCC-Mark I paper-tape punch station

IBM ASCC-Mark I paper-tape punch station

International Business Machines Corporation
1939-1944
IBM Automatic Sequence Controlled Calculator (ASCC)- Harvard Mark I

IBM Automatic Sequence Controlled Calculator (ASCC)- Harvard Mark I

International Business Machines Corporation
1939-1944
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