Keuffel & Esser Instructions for Log Log Duplex Slide Rule

Description:

This eight-page pamphlet was received with 1981.0933.01. It is undated, but Clark McCoy reports the text was written around 1914. This copy was probably printed later, around 1920. It explains the scales on K&E's model 4092 slide rule, works eleven sample problems, and advertises K&E calculating devices.

Reference: Clark McCoy, ed., "K&E Log Log Duplex Slide Rules," http://www.mccoys-kecatalogs.com/KEManuals/manuals.htm#4092.

Date Made: ca 1920

Maker: Keuffel & Esser Co.

Location: Currently not on view

Place Made: United States: New York, New York City

Subject: MathematicsRule, Calculating

Subject:

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

Exhibition:

Exhibition Location:

Credit Line: Gift of William J. Ellenberger

Data Source: National Museum of American History

Id Number: 1981.0933.02Accession Number: 1981.0933Catalog Number: 1981.0933.02

Object Name: pamphlet

Physical Description: paper (overall material)Measurements: overall: 22.3 cm x 14.6 cm x .1 cm; 8 25/32 in x 5 3/4 in x 1/32 in

Guid: http://n2t.net/ark:/65665/ng49ca746a7-4db4-704b-e053-15f76fa0b4fa

Record Id: nmah_904699

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