induction coil
Datelate 19th-early 20th Century
Inventory Number0148
ClassificationInduction Coil
Subject
User
Department of Physics, Harvard University
founded 1884
Cultural Region
Place of Use
Dimensions6.3 × 18.5 × 13.8 cm (2 1/2 × 7 5/16 × 5 7/16 in.)
Material
DescriptionFrom Instrument Card: "4 turn coil of heavy copper wire mounted on a rectangular wooden base. Designed to have a magnet moved up and down in the center of the coil."
Signedon binding post: MADE IN GERMANY
FunctionTo demonstrate an induced current by a moving magnetic field. For this purpose, the binding posts would probably be connected to a galvanometer. The galvanometer's needle would move as one moves a magnet through the coil.
ProvenanceFrom the Harvard University Physics Department.
Department of Physics, Harvard University
Date: circa 1895
Accessories: goes together with coil # 0493
Object number: 0494
Department of Physics, Harvard University
Date: circa 1895
Accessories: goes together with coil # 0494
Object number: 0493
Department of Physics, Harvard University
Date: late 19th-early 20th Century
Object number: 0504
Department of Physics, Harvard University
Date: mid 20th-late 20th Century
Accessories: variety of spare coils (in 2004-1-0408c); samples to be placed inside coil (2004-1-0410)
Object number: 2004-1-0408b
Department of Physics, Harvard University
Date: mid 19th-late 19th Century
Object number: 0166
Department of Physics, Harvard University
Date: circa 1893
Accessories: extra scale (0190b)
Object number: 0190a
Department of Physics, Harvard University
Date: 1890-1930
Accessories: extra set of coils without multi-tap windings (0156d, e); extra magnet; square wooden case
Object number: 0156b
Department of Physics, Harvard University
Date: mid 20th-late 20th Century
Accessories: variety of spare parts cataloged as 2004-1-0408c-g
Object number: 2004-1-0408a