Map Measure Made in Germany. This is a pocket size instrument to determine distances of roads, rivers, walls, etc. on maps and plans according to scales indicated on a dial. This small device contains a handle to support accurate tracing, a tracing wheel and two dials with 5 converting scales from inches to Statute miles or Nautical miles and centimeters to kilometers on one side, and converting inches to verstes and miles and centimeters to kilometers on the other. The verste is an old route measurement used in Russia, which converts to 1067 meters (about two thirds of a mile).