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Caliper SHTs-290 (300) mm / 11 inches, London, approximately 1895
Rare caliper made in England, as evidenced by the inscription "London"
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Caliper SHTs-290 (300) mm / 11 inches, London, approximately 1895
Rare caliper made in England, as evidenced by the inscription "London"
In the "Museum of Industrial Tools" MICROTECH there is an authentic copy of the original catalog of 1906 "Price list of hardware", depicting a model of this rarity. caliper, only with the upper location of the locking screw.
A rare English caliper should include:
The front surface of the measuring rod has two scales with a direct reading (metric scale 0… 290 mm and an inch scale 0… 11 inches);
The rear side of the measuring rod has one metric scale with a countdown of 300… 0 mm;
The movable frame is closed with two opposite windows;
The movable frame around the front window has one vernier metric scale of 0.1 mm.