April 24, 2024
Early Pocket sliderule with fine leather case. Mathematics Calculator
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Early Pocket sliderule with fine leather case. I am not sure who made this sliderule but it has the quality of both early Faber and also early PIC rules. The front scales are unmarked but these are A,[B,C],D. The rear carries S and T scales. The action is stiff but smooth. The cursor slides well and the glass is secure, although one end of the glass has lost its wrap round foil binding - see photographs. It is rather rare to find a magnifying lens on a pocket sliderule. The case is really quite exquisite with quality stitching wand the rule fits snugly. Previous ownership name in ink in inside flap. Sliderule is 15 cm long with the usual extension measuring scale in the slide well. Weighs 80grams.Good addition to any sliderule collection
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