1.

図書
図書
1. Electrical instruments and testing. 4th ed., rev. and enl
by Norman H. Schneider ; including testing telegraph wires and cables and locating faults by Jesse Hargrave
出版情報: New York : Spon & Chamberlain, 1913
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2.

図書
図書
2. Electrical instruments and testing : how to use the voltmeter, ammeter, galvanometer, potentiometer, ohmmeter, and the Wheatstone bridge. 1st ed
by Norman H. Schneider
出版情報: New York : Spon & Chamberlain, 1905
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