Amplifier, W. E. D-89573
Inventory NumberRS1368
ClassificationAmplifier
Maker
Westinghouse Electric & Manufacturing Company
1886 - 1945
Dimensions13 x 49 x 15 cm, 22 lb. (5 1/8 x 19 5/16 x 5 7/8 in., 10 kg)
DescriptionW. E. D-89573, Telephone Equipment
Signedplate mounted inside on base: Western Electric / REG. U.S. PAT. OFF. / D-89573 AMPLIFIER / PATENT / 1231764 1349252 1377405 1426754 1507994 / 1329283 1375447 1398665 1442439 1530649 / 1375739 1403475 1448550 / MADE IN U.S.A.
painted on side of transmitter: TRADE MARK / Western Electric / REG. U.S. PAT. OFF. / PAT. IN U.S.A. / 1507994 1604996 / 1586884 1620878
Inscribedstamped on side of condensers: WESTERN ELECTRIC / MADE IN U.S.A.
Westinghouse Electric & Manufacturing Company
Date: circa 1918
Accessories: None
Object number: RS0058
Westinghouse Electric & Manufacturing Company
Object number: RS1139
Kilbourne & Clark Manufacturing Company
Date: circa 1918
Object number: RS0800
Westinghouse Electric & Manufacturing Company
Date: 1952
Object number: 2003-1-0037
Westinghouse Electric & Manufacturing Company
Date: circa 1944
Object number: 1997-1-0820
Kilbourne & Clark Manufacturing Company
Date: 1922
Accessories: None
Object number: RS0059
Western Electric Company
Date: circa 1965
Object number: 8102
Edison Manufacturing Company
Date: circa 1904
Accessories: two horns with small black one(b) found inside the large green one(a).
Object number: 1997-1-0981a