Adding Machine Section, Burroughs Model 534a

Description:

This is one of a series of adding machines and adding machine models prepared by the Patent Department of the Burroughs Adding Machine Company. It is a steel mechanism for an adding machine with a column of 9 octagonal white plastic keys and two numeral wheels. Keys for odd digits are concave, and for even digits, flat. Complementary digits are indicated on the keys. Mechanism for “9” key only.

A red tag attached to the object reads: PATENT (/) MODEL (/) No. 534A. A metal tag on the side reads: MODEL ROOM (/) 534A.

Objects 1982.0794.04 through 1982.0794.10 were received together as Burroughs Patent model 42. This object is described in accession file as an invention of Walter J. Pasinski of Burroughs. Pasinski and other Burroughs inventors filed several patents for key-driven adding machines between 1911 and 1929.

Date Made: ca 1920

Maker: Burroughs Adding Machine Company

Location: Currently not on view

Place Made: United States: Michigan, Detroit

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Adding Machines, Science & Mathematics

Exhibition:

Exhibition Location:

Credit Line: Gift of Burroughs Corporation

Data Source: National Museum of American History

Id Number: 1982.0794.06Accession Number: 1982.0794Catalog Number: 1982.0794.06

Object Name: adding machine model

Physical Description: plastic (overall material)steel (overall material)Measurements: overall: 11.5 cm x 4.5 cm x 26.8 cm; 4 17/32 in x 1 25/32 in x 10 9/16 in

Guid: http://n2t.net/ark:/65665/ng49ca746a5-1314-704b-e053-15f76fa0b4fa

Record Id: nmah_690316

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