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| Patents for Spalding's Machine Shop | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 7,755 | Nov. 05, 1850 | J. Judson, A. Judson | Valve for Governors | |
 | RE255 | Jan. 10, 1854 | J. Judson, A. Judson | Improved Governor-valve for Steam-engines | |
 | 11,349 | Jul. 25, 1854 | T.R. Bailey, G. Bailey | Device in machine for cutting round tenons | |
 | 27,192 | Feb. 14, 1860 | D. Nicholson | Method of feeding the bolt to the knife in shingle-machines | |