Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 54
Fig. 47—Mechanism of Voltmeter. AMMETER … the voltmeter except the resistance of the windings and the calibration. The coilsof the ammeter have relatively low resistance whereas the voltmeter as alreadymentioned, has high resistance. The windings of an ammeter may be proportioned to carry a small amount of current,but the meter can be used…
Telegraph, Wireless
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