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Patents for Spalding's Machine Shop
Patents 1 - 4 of 4
First set of recordsLast set of records
7,755Nov. 05, 1850J. Judson, A. JudsonValve for governorssteam engine governors
RE255Jan. 10, 1854J. Judson, A. JudsonImproved governor-valve for steam-enginessteam engine governors
11,349Jul. 25, 1854T.R. Bailey, G. BaileyDevice in machine for cutting round tenonswood lathes
27,192Feb. 14, 1860D. NicholsonMethod of feeding the bolt to the knife in shingle-machinesshingle machines
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