insulated disc for condensing electroscope
Date1870-1890
Inventory NumberDW0045b
ClassificationElectroscope
Subject
Attributed to
E. Ducretet & Cie
1864 - 1931
Cultural Region
Place of Origin
Dimensions17.5 × 9.7 × 9.7 cm (6 7/8 × 3 13/16 × 3 13/16 in.)
Material
DescriptionA metallic disk mounted on a glass rod.
Signedunsigned
FunctionThis is part of a condensing electroscope (DW0045a). It constitutes the half of the capacitor that was kept close (but not touching) while the other part contacts the object to be measured for electric charge. For more details on how it works, see the instrument itself (DW0045a)
ProvenanceDavid Wheatland purchased from Roux-Devillas Paris, May 14, 1966 (lot 5/29).
E. Ducretet & Cie
Date: 1870-1890
Accessories: the upper part of the capacitor is DW0045b.
Object number: DW0045a
E. Ducretet & Cie
Date: circa 1879
Accessories: None
Object number: 1999-1-0018
See also/See also
