photo credit: Ross Porter collection
1895:Ý Holmes and Gilfillan main page 1895: Home of Alba J. Gilfillan 1906: Holmes & Gillfillan/BackusPinsetters 1906:Ý Backus Company 1940: Bernard Ball Biography 1940: Bernard Ball Spotmatic Pinsetter Patents 1951: Milton H. Wright Spotomatic Patent Smethport History main page
Pinsetter Factory 2001! photo credit: Greg Pierotti
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