Signedengraved on top: STANDARD INDUCTANCE/ CRUFT LABORATORY / TYPE G NO 2
Inscribedin pencil on frame: 126 TURNS / G = 0.458m
FunctionStandard of inductance. Used for teaching.
Historical AttributesTriangle indicates that this instrument was used for teaching in the Physics Department, Harvard University. Course Physics 3.
ProvenanceFrom Cruft Attic antiques closet '65, Harvard University Physics Department.