Quadrant-or pendulum weighing scale with painted black cast iron frame and enamelled reading scale. Weighing mechanism and detachable scale (15 x 13 cm) are of brass. Double weighing range by rotating weight: from 0-1.000 grams and 0-200 grams. The scale can be set on 0 with a set screw. Height approx. 27 cm. Logo of Maul (M) both on frame as on reading scale, on which also the product name Concav. The manufacturer was Philipp Jakob Maul in Zell in Odenwald, who begun his metalware factory in 1913. Condition: in fairly good and full working order; light traces of wear and tear. It will be carefully packed and sent via track & trace.