Engineer and businessman (1846–1914) best known for the invention of the air brake and for his energetic promotion of AC power distribution. Bank check, 7.75 x 2.75, filled out and signed by him as “G. Westinghouse,” payable to G. W. [himself] for $170.00, May 17, 1872. Westinghouse has also initialed an affixed revenue stamp and [as endorsement] on the reverse. Cut cancellation (away from signature), a few small tears and wrinkles, and a touch of mild soiling, otherwise fine condition. R&R COA.