plug capacitor
Date1900-1910
Inventory Number0286
ClassificationCapacitor
Subject
Maker
Queen & Company
1893 - 1912
User
Harvard Engineering School
1918 - 1951
Cultural Region
Place of Origin
Place of Use
Dimensions16.2 × 18 × 18 cm (6 3/8 × 7 1/16 × 7 1/16 in.)
Material
Accessoriesplugs (4)
DescriptionFive sets of layers of mica and tinfoil clamped between 2 heavy brass plates. Plug contacts arranged in form of rings. Cylindrical brass case with hard rubber top (plug contacts attached to top).
Signedtop marked: No. 107 / Queen & Co / ~ Makers ~ / Phila.
Inscribedon instrument: H.U. / 137-A / T.C. 25
FunctionA capacitor is a device that stores energy. The amount of energy to be stored is determined by the removable plugs.
For more on capacitors in general, go to the following website.
For more on capacitors in general, go to the following website.
ProvenanceFrom the Harvard Engineering School, 11/56.
Date: 1890-1930
Object number: RS0505
Leeds & Northrup Company
Date: 1910-1930
Accessories: six plugs
Object number: 0291a-c
Harvard Engineering School
Date: late 19th-early 20th Century
Accessories: switch plugs (0388b and 0388c)
Object number: 0388a
Western Electric Company
Date: 1900-1930
Object number: RS0196
Leeds & Northrup Company
Date: circa 1938
Accessories: plugs (6)
Object number: 1997-1-0196
Hartmann & Braun AG
Date: circa 1920
Accessories: 6 plugs
Object number: 1997-1-0400
Hartmann & Braun AG
Date: 1900-1920
Accessories: plugs (8)
Object number: 1997-1-0399
