inductance coil
Datecirca 1890
Inventory Number0442
ClassificationInductance
Subject
Maker
American
?
User
Department of Physics, Harvard University
founded 1884
Cultural Region
Place of Use
Dimensionscoil: 20.5 × 35.6 × 35.2 cm (8 1/16 × 14 × 13 7/8 in.)
box: 27 × 42.5 × 44.2 cm (10 5/8 × 16 3/4 × 17 3/8 in.)
box: 27 × 42.5 × 44.2 cm (10 5/8 × 16 3/4 × 17 3/8 in.)
Material
Accessoriesbox with sliding lid; envelope with parts
DescriptionFrom instrument card: "A pair of coils beautifully wound between heavy glass disks hard rubber ring spacers, the two sets separated by wood blocks and clamped in four points. Prevision for additional coupling coil to be places on top. Terminal brought out through hard rubber blocks. The whole fits in oak box with sliding lid. 17" x 17" x 10 1/2" high"
Signedunsigned
FunctionTo create a magnetic force when attached to a battery.
More information on inductors is found on the following website.
More information on inductors is found on the following website.
ProvenanceFrom Lyman Laboratory of Physics at Harvard University Oct 13, 1963.
Date: 1890-1930
Object number: RS0501
Date: 1890-1930
Object number: RS0505
Hartmann & Braun AG
Date: 1900-1920
Accessories: plugs (8)
Object number: 1997-1-0399
Date: 1890-1930
Object number: RS0199
Date: 1890-1930
Object number: RS0470
Leeds & Northrup Company
Date: circa 1938
Accessories: plugs (6)
Object number: 1997-1-0196
