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ALEXANDER GRAHAM BELL
Portrait of Alexander Graham Bell (1847-1922), Scottish-American speech therapist and inventor of the telephone. Bell followed his father and grandfather into the speech therapy profession, but also studied sound waves and the mechanics of speech. By 1871, he had moved to the USA, becoming professor of vodal physiology a Boston. There he performed his experiments in converting sound waves into electrical impulses for transmission down wires. In 1876, he patented the telephone and founded what has become the AT&T company. In later years he made many improvements to the telephone, worked with Langley and Curtis on flying machines, and founded the journal "Science." (KEYSTONE/SCIENCE SOURCE/New York Public Library Picture)
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KEYSTONE
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SCIENCE SOURCE
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NEW YORK PUBLIC LIBRARY PICTURE
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ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
UNDERWOOD ARCHIVES\UIG\SCIENCE PHOTO LIBRARY
598307371
ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
UNDERWOOD ARCHIVES\UIG\SCIENCE PHOTO LIBRARY
598306600
ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
UNDERWOOD ARCHIVES\UIG\SCIENCE PHOTO LIBRARY
598304466
ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
UNDERWOOD ARCHIVES\UIG\SCIENCE PHOTO LIBRARY
598301526
NATIONAL GEOGRAPHIC SOCIETY. ANNIVERSARY OF BELL TELEPHONE. FRONT: THEODORE NEWTON VAIL AND ALEXANDER GRAHAM BELL; BACK OF BELL, THOMAS AUGUSTUS WATSON, ASSOC. WITH BELL IN EXPERIMENTS. DIAGONALLY UPWARD, RIGHT: JOHN .J. CARTY; G.H. GROSVENOR; J.O. LAGORC
HERITAGE ART
558450055
ALEXANDER GRAHAM BELL, AMERICAN INVENTOR, SCIENTIST, ENGINEER, TELEPHONE, USA, 1940
IVAN VDOVIN
477483321
ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
SMITHSONIAN INSTITUTION/COPYRIGHT STATUS UNKNOWN
468054331
ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
SMITHSONIAN INSTITUTION/COPYRIGHT STATUS UNKNOWN
468053566
ALEXANDER GRAHAM BELL, SCOTTISH-AMERICAN INVENTOR
SMITHSONIAN INSTITUTION/COPYRIGHT STATUS UNKNOWN
468053246