Longwave Amplifier, circa 1927
01
Artifact Overview
This device was part of a system used to amplify the time signal from U.S. Navy station NAA at Arlington, Virginia. Station NAA received a time signal from the Naval Observatory clock via telegraph wire, rebroadcasting it via a powerful transmitter to receivers all over the nation. Americans utilized radio technology to set their clocks to this standardized signal.
Artifact Details
Artifact
Amplifier
Date Made
circa 1927
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
35.434.1
Credit
From the Collections of The Henry Ford. Gift of McMurdo Silver.
Material
Bakelite (TM)
Copper (Metal)
Steel (Alloy)
Dimensions
Height: 5.75 in
Width: 5.125 in
Length: 15.25 in
Inscriptions
plaque:
SM 440 SG
112 K.C. Three Stage Long Wave Amplifier - Detector
Designed for Use [with] Time Signal Receivers Intended for Reception of Standard Time Signals Transmitted by Arlington Station (NAA) on 2677 Meters (112 K.C.)
Silver - Marshall, Inc. Chicago, U.S.A.
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