Instructions for C-Thru Pocket Slide Rule

Description:

This single sheet of paper was received with 1988.0807.02. It describes how to read the scales for two inexpensive student slide rules, the pocket-sized model 27 and ten-inch model 88, made by the C-Thru Ruler Company of Hartford, Conn. The postal code indicates a date between 1943 and 1963. The back of the sheet is stamped: GEORGE A. NORTON (/) 132 SWANN ROAD (/) WASHINGTON 23, D.C.

Date Made: 1943-1963

Maker: C-Thru Ruler Company

Location: Currently not on view

Place Made: United States: Connecticut, Hartford

Subject: MathematicsRule, CalculatingEducation

Subject:

See more items in: Medicine and Science: Mathematics, Science & Mathematics, Slide Rules

Exhibition:

Exhibition Location:

Credit Line: Gift of George A. Norton

Data Source: National Museum of American History

Id Number: 1988.0807.06Accession Number: 1988.0807Catalog Number: 1988.0807.06

Object Name: sheet

Physical Description: paper (overall material)Measurements: overall: 21.5 cm x 14 cm; 8 15/32 in x 5 1/2 in

Guid: http://n2t.net/ark:/65665/ng49ca746a7-3236-704b-e053-15f76fa0b4fa

Record Id: nmah_904577

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