Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 9
Copyright by Park & Co., Brantiord, Ontario. PROFESSOR ALEXANDER GRAHAM BELL. Inventors at Work With Chapters on Discovery By George lies Author of Flame, Electricity and the Camera Copiously Illustrated
Inventions · Inventors
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