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ampere shunt for Weston milliammeter

ampere shunt for Weston milliammeter

Weston Electrical Instrument Corporation
dated 1888
audio-frequency oscillator

audio-frequency oscillator

Weston Electrical Instrument Corporation
circa 1923
box of assorted electric light bulbs

box of assorted electric light bulbs

Sylvania Electric Products, Inc.
late 19th-early 20th Century
D.C. ammeter

D.C. ammeter

Weston Electrical Instrument Corporation
circa 1921
DC ammeter

DC ammeter

Weston Electrical Instrument Corporation
circa 1905
DC ammeter (multiple scales)

DC ammeter (multiple scales)

Weston Electrical Instrument Corporation
1901-1930
D.C. microammeter

D.C. microammeter

Weston Electrical Instrument Corporation
1920-1930
D.C. microammeter

D.C. microammeter

Weston Electrical Instrument Corporation
1901-1930
D.C. milliammeter

D.C. milliammeter

Weston Electrical Instrument Corporation
circa 1929
D.C. milliammeter

D.C. milliammeter

Weston Electrical Instrument Corporation
1930-1940
D.C. milliammeter

D.C. milliammeter

Triplett
1930-1960
D.C. voltmeter

D.C. voltmeter

Weston Electrical Instrument Corporation
1900-1930
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