Piercy, Willis Duff · New York, Charles E. Merrill company · leaf 88
orkers, and nearly allhis inventions have been the result ofintelhgent and methodical labor directedtoward a definite aim. He reads carefully whatother investigators have found out, so as not to wastetime in going over fruitless ground. He also keepscopious note books of his own operations, so that… … An IncandesCENT Light. LIGHTING AXI) TRAXSPDRTATIDX S7 little while afterward the first phonograph, criidebut successful, was finished. At first this instrumentwas regarded as a toy, but later the invention wassold for a million dollars. Edison is a man of remarkable personality. Oncewhen someone…
Inventions
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