K & E polyphase duplex decitrig slide rule no. 4071
Subtitle: a manual
By: by Lyman M. Kells, Willis F. Kern, and James R. Bland.
Contributors: Kern, Willis F. 1903-.; Bland, James R.; Keuffel & Esser Co.
Publisher: Keuffel & Esser Co.
Published: 1939
Place of publication: New York
Language: eng
Number of pages: 87
Subjects: Slide-rule -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Other titles: Polyphase duplex decitrig slide rule no. 4071; Polyphase duplex decitrig slide rule no. 4071.
Notes: Includes bibliographical references (p. 78-79) and index.