Adding Machine Section, Burroughs Model 903

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 part of a key-driven adding machine. There are a one column of nine octagonal white plastic keys and two numeral wheels with black plastic rim. Keys for odd digits are concave, and for even digits, flat. Complementary digits are indicated on the keys. According to the accession file, this is an invention of Walter J. Pasinski. It compels a full stroke on keys.

A metal tag attached to the object reads: B.A.M.CO. (/) MODEL (/) No. 903.

Objects 1982.0794.04 through 1982.0794.10 received together as Burroughs Patent model 42.

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: 1982.0794.10Accession Number: 1982.0794Catalog Number: 1982.0794.10

Object Name: adding machine model

Physical Description: plastic (overall material)steel (overall material)Measurements: overall: 13.5 cm x 5.4 cm x 26.6 cm; 5 5/16 in x 2 1/8 in x 10 15/32 in

Guid: http://n2t.net/ark:/65665/ng49ca746a5-130d-704b-e053-15f76fa0b4fa

Record Id: nmah_690320

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.