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Object Name: comparative display of standard wire contacts and later IBM ASCC-Mark I contacts
Date: 1929-1938
Inventory Number: 1997-1-0239
Classification: Computer Part
User: Harvard Computation Laboratory
founded 1944
Cultural Region: United States
City of Origin: Cambridge, Endicott
Dimensions: 9.2 x 38.7 x 9 cm (3 5/8 x 15 1/4 x 3 9/16 in.)
Materials: copper, iron, nickel
Description: Two types of wire contacts on the same base. One has wires running between them, gathered in a bundle. The other is more compact and has casing on the wire bundle.

A coil on the smaller instrument cluster has the number "59580," and the ones on the larger cluster have the numbers "118874" and "111350."
Signed: unsigned
Curatorial Remarks: Card reads: "Left" WIRE CONTACT 12, 6, and 4 pole designed about 1938 "Right" STANDARD 12 and 2 pole designed about 1929
Provenance: Aiken Computation Laboratory; transfer to CHSI, 1997.
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