Antique Scientific Ammeter Amperes Amp Meter Voltmeter Mahogany Case 7"


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Description

Early 20th century ammeter No. 7388A. Measures 0 to 5 Amperes. Dovetailed mahogany case, metal face, glass front, two terminal posts. Ammeter, moving iron, bench type

"An ammeter (abbreviation of ampere meter) is an instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. For direct measurement, the ammeter is connected in series with the circuit in which the current is to be measured. An ammeter usually has low resistance so that it does not cause a significant voltage drop in the circuit being measured." (Source: Wikipedia)

Condition

Fair condition - wear; glass cracked

Dimensions

7.25" x 3.25" x 7" (Width x Depth x Height)