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| Patents for Southwark Foundry & Machine Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 242,976 | Jun. 14, 1881 | C.T. Porter | Base-plate for horizontal engines | |
 | 517,983 | Apr. 10, 1894 | C.T. Porter | Steam-engine | |
| 909,214 | Jan. 12, 1909 | G.B. Petsche | Admission Valve for Gas Engines | ||
| 1,281,965 | Oct. 15, 1918 | M.C. Hutchinson | Angle Planing Machine | ||
 | 1,656,323 | Jan. 17, 1928 | C.B. Gray | Machine for Cutting Sheet-Form Metal | |