Buy Compass Schoenner Precision Points. Very rare. Germany. 1907

Compass of tips of the beginning of the First Half of the S. XX. of white metal alloy and steel. Sohoenner brand. Germany. It would probably belong to a box of measures. It has the inscription "Sohoenner. Germany. "Inside one of the legs. Georg Sohoenner was a German inventor, who perfected and improved the functionality of drawing instruments.
It consists of two parts. Handle and body of legs. The handle attached to the clamp is grooved to improve clamping. The body of legs has a head with a clamp and a joint on which the legs rotate. The head has a mechanism that keeps the handle on the axis of the legs. The legs are rigid, with its upper half of white metal alloy, and its lower half of steel. On one of the legs the piece of steel is fixed, while on the other leg it is mobile, being held by a screw and a bolt that goes through the leg to which a wheel is screwed. The opening of the compass, that is, the distance between points, is graduated by turning the legs on the articulation, and it is adjusted with precision by the wheel that has one of the legs. This distance is what allows you to maintain a fixed distance for your transfer. The tips are in very good condition. The steel parts have some oxidation. The quality of the materials and the construction of the compass is unbeatable. With all kinds of detail. Piece very rare and hard to find. Very interesting as a collector"s item.