Signedon ivory case enclosing coil: J & H Duboscq / à Paris / No. 35
Inscribedon base, stamped: 8-55
FunctionThis galvanometer was used as a student's meter in the classroom. A galvanometer is a device used to measure the strength of an electric current. It uses a compass needle to compare a magnetic field generated by the unknown current to earth's magnetic field.
ProvenanceFrom the Department of Physics, Harvard University, 1/24/1957.