A61/142
CURVIMETER
Germany,
around 1950
A device for measuring the length of curves on maps. Dial with four scales, for maps 1:25000, 1:50000, 1:75000, 1:100000. Embossed mark: "F. C. Depose". In an original paper case with instructions for use. Size of the device 80x35 mm.
Condition A-B.
Slightly damaged paper case.