Patent Model of Edison's Duplex Telegraph Improvement, 1875
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Model (Patent)
Date Made
circa 1873
Subject Date
1875
Creators
Edison, Thomas A. (Thomas Alva), 1847-1931
Place of Creation
United States, New Jersey, Newark
Creator Notes
Designed by Thomas A. Edison in Newark, New Jersey.
Keywords
On Exhibit
at Greenfield Village in Menlo Park Laboratory
Object ID
29.1980.1353.1
Credit
From the Collections of The Henry Ford. Gift of the Edison Pioneers.
Material
Wood (Plant material)
Brass (Alloy)
Dimensions
Height: 3.25 in
Width: 5.5 in
Length: 9 in
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