The polyphase slide rule, slide rule no. N 4053
Subtitle: a self teaching manual with tables of settings, equivalents and gauge points
By: by William E. Breckenridge ...
Contributors: Keuffel & Esser Co.
Publisher: Keuffel & Esser Co.
Published: 1938
Place of publication: New York; Hoboken, N.J. [etc.]
Language: eng
Number of pages: 83
Subjects: Slide-rule.