Radio Wavemeter, Type SCR-95, 1918
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Artifact Overview
This wavemeter was likely developed by the US Army Signal Corp for military use. Its purpose is twofold: to detect the frequency of an incoming signal, and to check the frequency and harmonics of an outgoing signal. Early radio operators, working with multiple and specialized technical components, used wavemeters to determine the clarity and strength of their transmitters.
Artifact Details
Artifact
Wavemeter
Date Made
27 August 1918
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
35.434.247
Credit
From the Collections of The Henry Ford. Gift of McMurdo Silver.
Material
Copper (Metal)
Paper (Fiber product)
Steel (Alloy)
Wood (Plant material)
Bakelite (TM)
Hard Rubber
Dimensions
Height: 4.625 in
Width: 5 in
Length: 5.375 in
Inscriptions
plaque, front:
Signal Corps U.S. Army
Wavemeter Type SCR 95
Order No 190277 Date 8-27-18
Made by National Elecrical Supply Co.
Washington, D.C.
dial:
Wavelength in Meters
Angle in Degrees
label, interior:
Schematic diagram for Wavemeter SCR-95
Instructions
To measure length . . .
CAUTION
Replace battery when it fails to operate buzzer or lamp. When meter is not inuse LEAVE SWITCH ON "A" ONLY
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