fixed coupled coils
Date: circa 1927
Inventory Number: 0475
Classification: Induction Coil
Subject:
Maker: Paul Donaldson (fl. ca. 1920-1950)
Cultural Region:
Place of Origin:
Dimensions:
5.1 × 9.5 × 3.1 cm (2 × 3 3/4 × 1 1/4 in.)
Description:
From Instrument Card: "Fixed coupled coils...3 small coils mounted in parallel on solid iron core."
Inscribedon left coil: 1267T (urus) #32 (gage size);
on center coil: ESCC;
on right coil: 354T #22 E
on center coil: ESCC;
on right coil: 354T #22 E
FunctionSee Historical Attributions.
Historical AttributesMade for teaching: induction measurement experiments in Physics 3, Harvard University.
ProvenanceCreated for Physics 3 demonstration, Harvard University Physics Department.