Technology & Engineering
Silent Sentinels: Protective Relays for A-C and D-C Systems
Read by LibriVox Volunteers
Westinghouse Electric And Manufacturing Company
Possibly the first book concerning the protective relays and schemes used in the generation, transmission, and distribution of electric powe…
The Magic Lantern and its Management
Read by James R. Hedrick
T. C. Hepworth
There is no optical instrument so well known or so highly held in popular estimation as the Magic Lantern. It is somewhat unfortunate that i…