The Mannheim slide rule
Subtitle: with supplement for Polyphase slide rule, a self-teaching manual with tables of settings, equivalents and gauge points
By: by William E. Breckenridge
Publisher: Keuffel & Esser Co.
Published: 1922
Place of publication: New York
Language: eng
Number of pages: 72
Subjects: Slide-rule
Notes: Includes index.