Clarke electric generator
Date1840-1870
Inventory NumberDW0080
ClassificationGenerator
Subject
Maker
French
?
Cultural Region
Dimensions47.5 × 30.4 × 39 cm (18 11/16 × 11 15/16 × 15 3/8 in.)
Material
Accessorieskey; cover with heavy coils for sparks
Description'Clarke' rotating coils, permanent 5-layer U-magnet on wood frame. There is a large drive wheel and pulley. Two grounds. On wood boxes with locking wood cover. Inside the cover there is another set of coils.
Signedunsigned
FunctionThis form of electric generator invented and commercialized by E. M. Clarke of London in circa 1836.
For other examples of this type of apparatus, go to the following website.
A complete description of this type of machine is found on the following website.
For other examples of this type of apparatus, go to the following website.
A complete description of this type of machine is found on the following website.
ProvenanceDavid Wheatland purchased from Roux-Devillas Paris, May 14, 1966 (lot 5/13).
Historical Attributeshas cover
Laboratoire de Physique, Faculté Libre de Lille
Date: circa 1890
Object number: DW0078
American
Date: circa 1915
Accessories: Extra case of coils and extra set of magnets (0154d). Three extra magnets (3 bar magnets and 2 bar magnets attached to an aluminum wire) are not numbered because of size.
Object number: 0154a,b,c
Charles Chardin
Date: 1870-1900
Accessories: key; mahogany case
Object number: DW0829
American
Date: 1890-1930
Accessories: extra set of coils without multi-tap windings (0156d, e); extra magnet; square wooden case
Object number: 0156a-f
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: 0156a
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
