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public address amplifier
public address amplifier

public address amplifier

Inventory NumberRS0202
ClassificationAmplifier
Cultural Region
    Dimensions176 x 52 x 31 cm (69 5/16 x 20 1/2 x 12 3/16 in.)
    DescriptionWestern Electric 41B amplifier. Equipment Rack #1
    Signedplate on front, top: TRADE MARK / Western Electric / REG. U.S. PAT. OFF. / 41-B AMPLIFIER / PAT. IN U.S.A. / 1,129,942 1,375,447 1,403,932 1,495,216 / 1,129,959 1,375,759 1,426,754 1,507,994 / 1,329,283 1,398,665 1,453,982 1,530,649 / 1,349,252 1,403,475 1,465,332 1,530,980 / 1,343,880 1,401,121 1,496,768 / MADE IN U.S.A. late on front, center: TRADE MARK / Western Electric / REG. U.S. PAT. OFF. / 9A AMPLIFIER / PATENT / FEB. 18, 1908 AUG. 10, 1920 / FEB. 16, 1915 NOV. 29, 1921 / JULY 3, 1917 OCT 24 1922 / DEC 23, 1919 MAR 23, 1923 / JAN 27 1920 MAY 1, 1923 / MADE IN U.S.A. plate on front, center: TRADE MARK / Western Electric / REG. U.S. PAT. OFF. / 41-B AMPLIFIER / PATENT / 1103688 2403475 / 1129942 1422837 / 1129959 1426754 / 1231754 1442439 / 1314250 1442450 / 1329252 1453982 / 1375447 1465332 / 1377405 1493217 / 1397862 1507994 / 1398665 1520994 / 1401121 1530649 / MADE IN U.S.A. plate on front, bottom: TRADE MARK / Western Electric / REG. U.S. PAT. OFF. / 42-A AMPLIFIER / PATENT / 1128292 1398665 1403595 / 1195632 1403932 1504537 / 1231762 1426754 1507994 / 1329283 1453982 1530649 / 1349252 1483273 1530981 / 1377405 1493216 / 105-115 VOLTS 50-60 CYLCLES 90 WATTS / MADE IN U.S.A.
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