View Larger Image   Lufkin Screw Thread Calculator 1935 on a Card   Description: This is a very nice clean Screw Thread calculator copyright in 1935 by "THE LUFKIN RULE CO. SAGINAW MICH. U.S.A. COPYRIGHT 1935 L.R.CO." The calculator is two piece, the top round section spins, for finding sizes of tap drills for NC and NF, also NPT on the back side, & decimal equivalents for fractions. They both are printed on a cardboard, or heavy paper in good condition with some slight age toning or darkening. The calculator has a brass center pivot in good condition. Although these were printed until the 1950's era, we believe this one to be from the 1940's. It measures about 3.3" x 4.75" with a 2.75" diameter round section. It's in very good shape! Also included is a bonus decimal equivalents chard with a letter size drill chart on it also. Also in good shape for about the same era.     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:   $18.00  USD   Convert Currency Quantity Available:   1 Est. Shipping:   $3.00 USD Ship Internationally:   Yes   (Quoted at time of purchase) Shipping Paid By:   Buyer     Reference #:   T27442 Condition:   Good++ Circa:   1935-40's Maker:   THE LUFKIN RULE CO. SAGINAW MICH. MADE IN U.S.A. Additional photos Demo version

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