Wheatstone bridge in brass, wood and bakelite. Beautiful scientific collector's device n°626 from 1939. The set is sold as a collector's item only and not for use because it no longer meets current standards. Marks of time, oxidation, 5 small brass parts missing. 23 x 11.8 x h 9.5 cm.
Wheatstone bridge in brass, wood and bakelite. Beautiful scientific collector's device n°626 from 1939. The set is sold as a collector's item only and not for use because it no longer meets current standards. Marks of time, oxidation, 5 small brass parts missing. 23 x 11.8 x h 9.5 cm.