The Slide Rule by Chas. Hoare, C.E.

The slide-rule, and how to use it: containing full, easy, and simple instructions to perform all business calculations with unexampled rapidity and accuracy. By Charles Hoare ... With a slide-rule in tuck of cover.
 
Please note this book is being kept at off-site storage, if you wish to view or purchase this book in store please email ahead of time.
 
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