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Details
A late 19th-Century lacquered and silvered brass German circular protractor,
unsigned, the rotating silver cursor circle with well divided degree scale, the outer rim with three large and three smaller clamp screws, the semi-circular rotating protractor centre with two spring tensions, stamped 6 and with two horizontal scale bars for 1:1000M and 1:2880M scales, with instruction label, in the original pine carrying case with four iron hooks and eyes -- 17in. (43.2cm.) square
See Colour Illustration
unsigned, the rotating silver cursor circle with well divided degree scale, the outer rim with three large and three smaller clamp screws, the semi-circular rotating protractor centre with two spring tensions, stamped 6 and with two horizontal scale bars for 1:1000M and 1:2880M scales, with instruction label, in the original pine carrying case with four iron hooks and eyes -- 17in. (43.2cm.) square
See Colour Illustration