1 galvanometer : wood, brass, lead, glass, steel ; total height 200 mm, base (with ring) 168 mm
Description:
The black wooden base of this galvanometer carries a lead stabilizing ring painted red. A cylindrical glass cover carries the suspension for the astatic needles. The coil, wound on a boxwood bobbin, has many windings of fine wire, probably silver, covered with silk. This version of Nobili's galvanometer was used to measure currents of very brief duration. Provenance: Lorraine collections
Spese e contabilità. gennaio - dicembre 1835