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Proportional Calipers or Degree Gauge
Proportional Calipers or Degree Gauge
Item#: tom436
Price: Sold
Availablity: Sold
This delicate tool was used to measure the thickness or diameter by watchmakers or jewelers. The legs and spring are made of steel with a brass dial. This caliper is capable of measuring within a range of 0-72 parts of half an inch and with an accuracy of 1/32nds of an inch. (The thickest this instrument can measure is half an inch) Overall length is 15 cm (6 inches).