Drafting calipers or mathematical compass, Patent  March 17, 1905Drafting calipers or mathematical compass, Patent  March 17, 1905Drafting calipers or mathematical compass, Patent  March 17, 1905

This very nice compass or drafting calipers is simple, in excellent condition and has all its working parts including sharp points and adjustment mechanisms. The compass has been well cared for as it has no rust or pitting. The mechanism that opens the points works smoothly and holds its position when open. Length is 6 1/2 inches long.

Item ID: 4085

Drafting calipers or mathematical compass, Patent March 17, 1905

$15 USD


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