"Before a company which manufactures electrical
machines allow them to leave the factory, each must
undergo certain tests to make sure that there are no
faults of design or workmanship and also ofttimes that they meet the specifications of the buyer. Four important
tests are made, e.g. (1) no load...
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(From photo belongfng to Jas. D. Fairchild, Yreka. Cal.)
Colonel William Thompson