Scientific American i8 July 6, 1907. … Valve, G. J. Thomas 857,848 free. For particulars write American Specialty Stamp- Valve, J. H. Delany 858.863 ing Co., Johnstown, Pa. THE SIMONDS SAW Valve, flushing, C. A. Parks 857,896 Valve, gas engine, B. C. Skinner 857,762 PATTERN LETTERS AND FIGURES (White Metal Valve gear, J. C. Bird 857,579…
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