THOMAS ALVA EDISON (1847-1931).
THOMAS EDISON (1847-1931).
THOMAS A. EDISON (1847-1931).
Thomas Alva Edison (1847-1931), American Inventor, half-length seated Portrait, Louis Bachrach, Bachrach Studios, 1922
Thomas Alva Edison (1847-1931), American Inventor, half-length Portrait, Louis Bachrach, Bachrach Studios, 1922
EDISON & STEINMETZ, 1922.
Elisha Gray's telephone.
Thomas A. Edison with Phonograph, Engraving, circa 1888
ROBERT HUTCHINGS GODDARD
GRAPHOPHONE.
BENJAMIN FRANKLIN (1706-1790).
SAMUEL PIERPONT LANGLE
SAMUEL PIERPONT LANGLEY
EDISON WITH HIS FAMILY.
LEE DE FOREST (1873-1961).
ALEXANDER GRAHAM BELL/n(1847-1922).
THOMAS ALVA EDISON
NIKOLA TESLA (1856-1943).
JOHN WORRALL KEELY, c1895.
AMERICAN SCIENTISTS.
Anna Julia Cooper, US scholar and civil rights activist
ALBERT EINSTEIN (1879-1955).
CHARLES DURYEA (1862-1938).
Medicine Label.
Dr. Robert James.
MICHAEL IDVORSKY PUPIN
Patent Application For Incandescent Carbon Filament Lamp, Thomas A. Edison, Print, circa 1879
SIR CHARLES WHEATSTONE
Thomas Alva Edison
TELEPHONE: PATENT.
BENJAMIN FRANKLIN
LUTHER BURBANK (1849-1926).
YABLOCHKOV CANDLE.
BOOKS: TRIMMING MACHINE.
KODAK BOX CAMERA, 1888.
COTTON GIN, 19th CENTURY.
Patent stone breaking machine by the Dravon Engine Works Co.
Thomas Alva Edison.
Thomas Alva Edison (1847-1931)
ALVA ERSKINE BELMONT
WRIGHT BROTHERS GLIDER.
WILLIAM McDOUGAL
ALFRED RUSSEL WALLAC
ELI WHITNEY (1765-1825).
ARKWRIGHT: SPINNING FRAME.
Cotton Gin Invented by Eli Whitney, 1793, Illustration
WRIGHT BROTHERS
ELMER AMBROSE SPERRY
HUGH PRICE HUGHES (1847-1902).
CARL SAGAN (1934-1996).
HENRY FAIRFIELD OSBORN
CARL GUSTAV JUNG (1875-1961)
WILLIAM HUGGINS (1824-1910).
SIR FRANCIS GALTON
ALFRED RUSSEL WALLACE
John N Stockwell, American astronomer
Seth Chandler, US astronomer
THOMAS EDISON (1847-1931)
JAN CHRISTIAAN SMUTS
ERNEST HENRY SHACKLETON
ROBERT FULTON (1765-1815).
WRIGHT BROTHER'S PATENT.
AVIATION PATENT, 1911.
WRIGHT BROTHERS PLANS, 1908.
ICE CREAM CONE MOLD, 1903.
MABEL HUBBARD BELL (1857-1923).
GEORGE WASHINGTON CARVER
JOHN BURROUGHS (1837-1921).
ALBERT BUSHNELL HART
OLIVER W. HOLMES (1809-1894).
WILLIAM JAMES (1842-1910)
THOMAS H. HUXLEY (1825-1895).
JAMES NAISMITH (1861-1939).
ALEXANDER GRAHAM BELL
Benjamin Franklin, born in Boston, Jan 17th 1706, -- died in Philadelphia, April 17th 1790, Painted by T.H. Matteson, Esqr., Engraved by Henry S. Sadd, Printed by J. Neale, 1846
ROBERT ANDREWS MILLIKA
SUSAN B. ANTHONY (1820-1906)
EMILE BERLINER (1851-1929).
Thomas Edison, US inventor
HENRIETTA S. LEAVITT
EQUAL RIGHTS ADVOCATE, c1919.
Thomas Simonton, US astronomer
FELIX DU TEMPLE'S PATENT.
MARIE CURIE (1867-1934).
Helen Lois Koch, American psychologist
MAX PLANCK (1858-1947)
PAUL DIRAC (1902-1984).
WERNER KARL HEISENBERG
SIR CHARLES LYELL
ALEXANDER VON HUMBOLDT
JEAN HENRI FABRE (1823-1915).
JOHN STEVENS HENSLOW
SIR JOHN F.W. HERSCHEL
DAVID WECHSLER (1896-1981).
SIGMUND FREUD (1856-1939).
CARL GUSTAV JUNG (1875-1961).
Samuel Milner, British physicist
Charles Walcott, US palaeontologist
Lewis Boss, US astronomer
BENJAMIN THOMPSON
NEWTON D. BAKER (1871-1937).