Galvanometer Relay, 1905-1910
Add to SetSummary
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.
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
Galvanometer
Date Made
1905-1910
Keywords
Location
Not on exhibit to the public.
Object ID
36.436.15
Credit
From the Collections of The Henry Ford.
Material
Glass (Material)
Paper (Fiber product)
Steel (Alloy)
Wood (Plant Material)
Copper alloy
Dimensions
Height: 4.5 in
Width: 5.25 in
Length: 7 in
Inscriptions
instrument; Ernst Ruhmer Physikalsches Laboratorium Berlin SW.48 No. 213317 D.R. Patent
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