American Telephone Practice / Kempster B. Miller
The alternate current transformer : in theory and practice / J. A. Fleming
The theory and practice of absolute measurements : in electricity and magnetism / Andrew Gray
Practical dynamo-building for amateurs / Frederick W. Walker
Dynamo electric machinery : its construction, design and operation. Direct current Machines / Samuel Sheldon; Hobart Mason
The theory and practice of absolute measurements in electricity and magnetism / Andrew Gray