Westinghouse

American Heritage
Science Dictionary
Westinghouse   (wěs'tĭng-hous')  Pronunciation Key 
American engineer and manufacturer who introduced the high-voltage alternating current system for the transmission of electricity in the United States. A prolific inventor, Westinghouse received hundreds of patents in his lifetime, including the air brake (1869), automated train-switching signals, and devices for the transmission of natural gas. His inventions made an important contribution to the growth of railroads.
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