Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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Visual Materials
[Staff using IBM 1620 Data Processing System - with keypunch cards] [with 8 variants]
photCL SCE 06 - 72039

Visual Materials
IBM Electronic Calculating Punch machine.
photCL SCE 05 - 54445

Visual Materials
IBM machine opened up exposing mass of wires and circuits.
photCL SCE 05 - 54446
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Manuscripts
MS., typewritten, 2p. Note: published as "IBM Selectric."
BUK 1882