A NOVEL NAIL-FORMING MACHINE. ELECTROENGRAVING. PLATE. JULY 14 1900 AN AUTOMATIC COUPLING FOR AIR-BRAKES., scientific american, 1900-07-14
A NOVEL NAIL-FORMING MACHINE. ELECTROENGRAVING. PLATE. JULY 14 1900 AN AUTOMATIC COUPLING FOR AIR-BRAKES., scientific american, 1900-07-14
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