View Larger Image   Lufkin Round Screw Thread Calculator + Chart   Description: This is a very nice clean Screw Thread calculator copyright in 1935 and marked "THE LUFKIN RULE CO. SAGINAW MICH. U.S.A. COPYRIGHT 1935". Also included is a decimal equivalents chart, that also includes decimal sizes for number and letter drills, and fractions. The calculator is for finding sizes of tap drills for NC and NF, also NPT on the back side, & deciamal equivelents for fractions. They both are printed on a cardboard, the calculator is two piece with a brass center pivot in good condition. Although these were printed for a number of years, this type has a clear coating on over the printing which is fully intact. These two Lufkin advertising printings have been helpful machinist information charts for many years. These two are in very good condition, some minor yellowing, and the rectangular chart has very little minor edge wear also. These are hard to find in this condition!     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:   $27.00  USD   Convert Currency Quantity Available:   1 Est. Shipping:   $3.00 USD Ship Internationally:   Yes   (Quoted at time of purchase) Shipping Paid By:   Buyer     Reference #:   T30087 Condition:   Very Good Circa:   1935-40's Maker:   THE LUFKIN RULE CO. SAGINAW MICH. MADE IN U.S.A. Additional photos

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