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Harvard IBM Mark I Automatic Sequence Controlled Calculator (2)

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IBM ASCC-Mark I model 6 latch

Two levels of coil, each inside a thin black cover, inside an upright metal frame. The frame is mounted on a black, rectangular base, which looks like it consists of a stack of three metal plates. There are several pegs attached to the base on either side of the frame. A black cord extends out of each of the coils and is attached to two small screws in front of the frame. The CHSI reference number, 1997-1-0235, is etched in white on the base in front of the frame.

IBM ASCC-Mark I cams, counters, and relays

IBM ASCC-Mark I cams, counters, and relays

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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