View Larger Image   Allen Screw Calculator Allen Manufacturing Co. 1957   Description: This is a nice clean slide calculator, marked "ALLEN PRESSUR-FORMD CAP SCREWS, SOCKET SET SCREWS ALLEN MFG. CO. HARTFORD CONN. U.S.A.". It is double sided with all the dimensions of the various cap and set screws Allen made in 1957. The calculator is made of a plastic card, one inner slide card and one doubled outside card, and is in very good condition overall, with little wear, the inner card slides smoothly, and the variable numbers/text align well in the windows, very little wear, and all the text is easy to see and read. It is rare, and is marked with a copyright date of 1957. Quite nice!     Contact:   Great Expectations Antiques Seller:   Dealer/Mall    View Seller's Policy Seller Accepts:   We accept VISA, MASTER CARD, AMERICAN EXPRESS, PAYPAL, CASH, US POST OFFICE POSTAL MONEY ORDERS ONLY (ALL OTHER MONEY ORDERS WILL BE RETURNED), AND PERSONAL CHECKS. To order please click on the easy to use shopping cart. **INTERNATIONAL CUSTOMERS**PAYMENT BY CREDIT CARD PREFERRED** WE ONLY ACCEPT INTERNATIONAL POST OFFICE POSTAL MONEY ORDERS - PURCHASED AT YOUR GOVERNMENT POST OFFICE - IN US DOLLARS - ALL OTHER MONEY ORDERS WILL BE RETURNED. **ALL INTERNATIONAL CUSTOMS FEES, DUTIES, TAXES, BROKERAGE FEES ARE TO BE PAID BY THE BUYER**     Price:   $12.00  USD   Convert Currency Quantity Available:   1 Est. Shipping:   $2.00 USD Ship Internationally:   Yes   (Quoted at time of purchase) Shipping Paid By:   Buyer     Reference #:   T21898 Condition:   Very Good Circa:   Mid-1900's Maker:   Allen Manufacturing Co. Additional photos

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