George Westinghouse
Inventor of air brake and some 400 other devices. Developed AC transmission of electric current. Spent creative years in Pittsburgh and founded the industry which bears his name.
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesUSGS Historical Topographic Map CollectionUSGS Historical Topographic Map CollectionUSGS Historical Topographic Map Collection
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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