THE POLYPHASE DUPLEX SLIDE RULE A SELF TEACHING MANUAL WITH TABLES OF SETTINGS, EQUIVALENTS AND GAUGE POINTS

by Breckenbridge, William E

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Book Description

New York: Keuffel & Esser. Very Good with no dust jacket. 1944.. Softcover. Peach wraps, edges very lightly rubbed, a lovely clean, tight copy. ; 8vo; 83. pages .

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