Prior owner's name inked inside front cover, else pages clean; moderate wear to covers; 89-page staple-bound booklet for users of the K&E Polyphase Duplex Trig slide rule (Model 4070). Size: 5 1/2" x 8".

Seller Inventory # S204-051154

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Bibliographic Details

Title: Polyphase Duplex Trig Slide Rule No. 4070 A Manual
Publisher: Keuffel & Esser Co., New York
Publication Date: 1939
Binding: Paperback
Condition: Good

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Book Booth
OH, U.S.A.

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Checks and money orders are also accepted; please make checks or money orders payable to
Carol Casciani
441 W. Bagley Rd.
#173
Berea OH 44017

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Payment accepted via credit card, check/money order, or PayPal. Credit cards accepted via ABEbooks or PayPal ONLY -- please do not send us your credit card information, as we have no way of processing it ourselves. Our PayPal account is bookbooth@usa.com. If paying via PayPal, please remember to include shipping & handling charges. Checks and money orders are also accepted; please make them payable to: C.M. Casciani, 441 W. Bagley Rd. #173, Berea OH 44017. Library and institutional orders welcome; please email us if you require any special handling. International orders must be payable in US dollars. SHIPPING & HANDLING: all books shipped in USA via USPS; Media Mail 7-14 business days for delivery, $4.00 for first book - $1.50 each additional book; or, Priority Mail 2-4 business days for delivery, $6.00 first book - $2.50 each additional book. Returns for reasonable grading of condition; email us prior to return for shipping instructions.

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Order quantity	5 to 14 business days	3 to 6 business days
First item	US$ 5.90	US$ 12.70

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