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Weston A. C. ammeter
1989.070.003
Weston Electrical Instrument Company
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Weston AC & DC radio set tester
1991.050.008
Weston Electrical Instrument Company
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Weston Electrical voltmeter model 45
2008.022.013
Weston Electrical Instrument Company
pat. 1901
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Weston Electrical Polyphase Wattmeter
2009.033.002
Weston Electrical Instrument Company
1949-09-27
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Weston Electrical AC Ammeter
2009.033.021
Weston Electrical Instrument Company
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Weston Eletcrical DC Ammeter
2009.033.024
Weston Electrical Instrument Company
1949-08-29
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Weston Electrical DC voltmeter model 45
2009.033.025
Weston Electrical Instrument Company
1932-06-02
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Weston Electrical DC ammeter
2009.033.027
Weston Electrical Instrument Company
1931-04-30
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Weston Current transformer-A
2009.033.028
Weston Electrical Instrument Company
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Weston A. C. & D. C. Wattmeter model 310
2009.033.031
Weston Electrical Instrument Company
1929-09-04
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Weston Current transformer-B
2009.033.053
Weston Electrical Instrument Company
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Weston Current Transformer model 461 C
2009.033.074
Weston Electrical Instrument Company
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Weston Direct Current Voltmeter
IN-0014
Weston Electrical Instrument Company
circa 1888
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Weston Mil-Am-Meter, model #1
IN-0016
Weston Electrical Instrument Company
1910
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combination voltmeter-ammeter
IN-0459
Weston Electrical Instrument Company
patents range from 1886-1898
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Weston station ammeter
IN-0479
Weston Electrical Instrument Company
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Weston station voltmeter
IN-0480
Weston Electrical Instrument Company
circa 1900
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ammeter
IN-0493
Weston Electrical Instrument Company
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volt/amp meter
IN-0574
Weston Electrical Instrument Company
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Model 267 Airplane Thermometer Tester
IN-0612
Weston Electrical Instrument Company
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Weston's Direct-Reading Volt-Meter
IN-2406
Weston Electrical Instrument Company
pat. 1888-11-06 and 1890-06-10
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