Electrical Instruments and Testing, How to Use the Voltmeter, Ohmmeter, Ammeter, Potentiometer, Galvanometer, the Wheatstone Bridge, and Standard Portable Testing Sets Norman (Classic Reprint)

Since this work was first published it has found a ready sale among telegraph and telephone workers, and it was pointed out that the testing of telegraph and telephone wires was not as fully covered as it might have been. With a view to making the book still more attractive and useful to workers in those important branches of the electrical field, Mr. Jesse Hargrave, Assistant Electrical Engineer of the Postal Telegraph Cable Company, was asked to contribute two chapters devoted to the testing of telegraph and telephone wires and cables, and he agreed to undertake the work. In compiling the matter contained inC hapters XII and XIII Mr. Hargrave has endeavored to carry out Mr. Schneider sideas of clearness and simplicity. The testing of the wires is taken up in its first stage the first test of the day, the earlymorning test and the student is taken step by step through the diflferent methods of testing for faults, insulation and conductivity, cable faults, etc.
(Typographical errors above are due to OCR software and don't occur in the book.)

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