Scientific American 240 March 19, 1904. … cheaper than ordinary gas with ten CHAS. A. SCHIEREN & CO. 753,993 Dusting frame, portable, J. R. Mauran times the light. New Yoek . 52 Ferry St. Pittsburg : 243 Third A v. 754,264 Dye and making same, anthracene, H. Weltz For which Letters Patent of the NIAGARA FALLS ACETYLENE GAS Chicago ; 92…
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