Ruhmer Coherer, Used at Hammond Radio Research Laboratory, circa 1905
01
Artifact Overview
John Hays Hammond, Jr., was largely responsible for launching the field of radio control. In 1926, he built a medieval-inspired castle in Gloucester, Massachusetts. This site served as his home and research laboratory. With over 400 patents to his name, Hammond developed ideas for radio control, autopilot function, and targeted missile detonation. This device was used in Hammond's laboratory.
Artifact Details
Artifact
Radio detector
Date Made
circa 1905
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
36.594.1
Credit
From the Collections of The Henry Ford.
Material
Brass (Alloy)
Copper alloy
Glass (Material)
Iron alloy
Nickel (Metal)
Wood (Plant material)
Dimensions
Height: 3.25 in
Width: 4.125 in
Length: 5.5 in
Inscriptions
plaque:
Ernst Ruhmer
Berlin S.W. 48
Friedrichstr. 248
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