How to Use a Slide Rule, Eugene* Dietzgen Co. -1942 owner's and user's manual F*S

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This is a high-quality reprint of the Eugene Dietzgen Co. "How to Use a Slide Rule" manual dated 1942. The Slide Rule is an instrument for facilitating calculations and is an indispensable aid not only to the engineer and scientist with their involved problems, but also to the accountant, statistician, manufacturer, merchant, importer, teacher, student, or anyone who has calculations to solve. This is the complete Eugene Dietzgen Co. manual, note that it will show some age and wear blemishes as it is scanned from an old owner's manual. It is 20 pages long and includes the front and back covers.