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Electrometer

Electrometer

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Description
This electrometer came from the U.S. Weather Bureau and, according to a paper in the box, was in use in 1905. The "Gunther & Tegetmeyer, Braunschweig 1652" inscription refers to a precision instrument firm that showed an electrometer of this sort at the International Exhibition held in St. Louis in 1904, terming it an “Aluminum-leaf Electroscope (Exner form) with internal amber insulation, mirror scale and sodium drying apparatus, according to Elster and Geitel (Physikal. Zeitschr. 4, p. 397, 1902).” Julius Elster and Hans Geitel were physicists who taught in gymnasiums in Wolfenbüttel, a town south of Braunschweig.
Ref: German Educational Exhibition, Scientific Instruments (Berlin, 1904), p. 37.
Location
Currently not on view
Object Name
Electrometer
maker
Günther & Tegetmeyer
Gunther Brewing Co
Measurements
overall: 11 3/4 in x 10 1/4 in x 10 1/4 in; 29.845 cm x 26.035 cm x 26.035 cm
overall: 11 3/4 in x 10 1/2 in x 9 3/4 in; 29.845 cm x 26.67 cm x 24.765 cm
ID Number
PH.316812
catalog number
316812
accession number
228768
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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