Images(3)

Board, Circuit

Object number2016.96.7

Manufacturer Westinghouse Electric Corporation

Manufacturer C. P. Clare and Company

MediumMetal; Plastic; Paper; Ink; Adhesive; Paint

Credit LineGift of James Sutherland

DescriptionRectangular computer circuit board.DimensionsLength x Width x Depth: 11.688 × 6.625 × 0.938 in. (29.7 × 16.8 × 2.4 cm)
MarksMost of the components have text printed on them.

Top side has printed black text in the top left corner "2838 A45 / G01 / 2NTD5 / IN / + / - / CURRENT / OUT / VOLTAGE / OUT / SIG COM".

The gold metal component has a paper label with printed text "MERCURY WETTED CONTACT RELAY / HGJM 51111N01 / 669A375H02M46 UP / C.P. CLARE & CO. ASSEMBLED IN MEXICO".

Top side has a rounded rectangular white paper sticker on top of the red cylindrical component with printed text on it "FF 101".

Underside has four rounded rectangular stickers, each with printed text: two at left center "G01 SUB2" and "T0228", one at top center "MAG 11 75", and one in top right corner "s 45558".
Historical NotesPart of a collection of materials that document the early development of computer technology at Westinghouse where donor James Sutherland was an engineer. Sutherland was a design engineer for computers at Westinghouse in the 1960s. He earned a degree in electrical engineering, served in the United States Air Force, and then began to work for Westinghouse in 1959. He worked in the logic group and designed the Control and Indexing Units for the Westinghouse PRODAC-IV (Programmed Digital Automatic Controller). The computer used NOR logic elements, developed by Westinghouse’s Buffalo plant, to run. With permission Jim took parts of these computers home and eventually built a home computer called ECHO IV (Electronic Home Computing Operator), it is now in The Computer Museum in Boston. ECHO IV was recognized as the first home computer by the Annals of Computing History and The Computer Museum in Boston.

Previous owner James F. Sutherland

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