Rowland #501 resistance box

Rowland #501 resistance box

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Location
Currently not on view
Object Name
Rheostat
maker
Rowland Telegraph Company
Maker
Western Union Corporation
place made
United States: Maryland, Baltimore
Physical Description
wood (part: material)
metal (part: material)
Measurements
overall: 8 1/2 in x 12 in x 3 in; 21.59 cm x 30.48 cm x 7.62 cm
ID Number
EM.331710
accession number
294351
collector/donor number
59-02
accession number
294351
294351
catalog number
331710
Credit Line
from Western Union Corporation
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Work and Industry: Electricity
Data Source
National Museum of American History
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