Gower-bell telephone.
Elisha's telephone.
Elisha Gray's telephone.
Alexander Graham Bell.
Wall telephone.
Alexander Graham Bell's photo phone.
Impression of Elisha Gray.
Bell telephone, historical artwork
Alexander Graham Bell, Fine Art Portrait,
American payphone 1959.
Early telephones, 1880s
Edison telephone.
Bell telephone.
A Bell telephone.
The first Bell telephone.
Alexander G. Bell, Scottish-US inventor
Alexander Graham Bell, telephone inventor
Diagram of Bell's second telephone.
Edison's phonometer.
THOMAS EDISON (1847-1931).
Bell at the opening of the long-distance line from New York to Chicago in 1892
Telephone apparatus.
Bell telephone, 19th century
George du Maurier's vision.
THOMAS ALVA EDISON
Thomas Edison, US inventor
Alexander Graham Bell (1847-1922), Inventor of Telephone, Portrait
EDISON'S LIGHT BULB.
EDISON'S LIGHT BULB, 1879.
Edison telephone, 1880s
An electric lighting plant.
Model of Bell's telephone of 1875
VLADIMIR K. ZWORYKIN
DENIS PAPIN (1647-1712).
JOSEPH NICEPHORE NIEPCE
BENJAMIN THOMPSON
THOMAS A. EDISON (1847-1931).
EDISON: TELEPHONE.
Bell telephone
EDISON: WINTER HOME.
NIKOLA TESLA (1856-1943).
Thomas Alva Edison
Wilhelm Eduard Weber.
New motorised, Edison Phonograph.
Catherine MacKenzie, Canadian journalist
Thomas Alva Edison (1847-1931)
Edison's first phonograph.
THOMAS ALVA EDISON (1847-1931).
EDISON MOTOR, c1890.
DAVISSON & GERMER, c1927.
Magneto-electric machine, 19th century illustration
Thomas Alva Edison.
Bell's long distance telephone.
THOMAS A. EDISON, 1879.
EDISON TELEPHONE, 1879.
Bell and Gray using their telephones, 19th century
EDISON LAMP, 19th CENTURY.
Public demonstration of Thomas Edison's Phonograph; Germany 1895.
A Graphophone.
Sir William Henry Preece, 1834 1913
Thomas Alva Edison, American physicist
Thomas Edison.
Nikola Tesla, Serb-US physicist, illustration
Edison light bulb, 1890
Edison kinetoscopic record of a sneeze.
Edison's phonometer
Archibald Montgomery Low, 1888 - 1956
THOMPSON: DRIP COFFEE POT
Alexander Graham Bell, Scottish-American inventor
Edison's phonograph, 1880s
Alexander Bell, Scottish-US inventor
Man, listening to a recording of Edison Phonograph.
MICHAEL IDVORSKY PUPIN
EDISON & FRIENDS, 1918.
JACQUES CHARLES (1746-1823).
COUNT ALESSANDRO VOLTA
SIR WILLIAM SIEMENS
Louis-Sebastien Lenormand's parachute.
SIR CHARLES WHEATSTONE
Hughes' carbon microphone, 19th century
GUGLIELMO MARCONI
Alexander Graham Bell
Graphophone.
Alexander Graham Bell's Dead Ear Phonautograph.
EDISON & FREINDS, 1918.
Electricity pioneers, historical image
1896 poster advertising the Vitascope
Joseph Swan
Guglielmo Marconi (1874-1937)
Nikola Tesla, Serb-US physicist
THOMPSON: DRIP COFFEE POT.
A.-M. Ampere
Public demonstration of Thomas Edison's Phonograph.
Thomas Alva Edison, listening to a recording of his Phonograph.
Wheatstone's Reflective Stereoscope
How to use a telephone illustration.
Visitor to the Paris international Exhibition listening to a recording of Edison's Phonograph.
Carl August von Steinheil, 1801 1870
EDISON & STEINMETZ, 1922.
Sir Humphry Davy.
Edison's greatest marvel, The Vitascope.
"Cripple Creek Barroom".
Bell's telephone patent, 1876
New York telephone subscriber making call
EDISON: TELEPHONE, c1880.
A Geissler tube.
Edison's phonomotor which used the energy generated by speech to drive a flywheel.
Julian Leopold Ochorowicz.
George Robert Carruthers and Herbert Friedman
Giovanni Caselli, Italian physicist
A Radiometer.
ELECTRICAL EXPOSITION, 1881.
Edison carbon telephone
Alexander Bell's school for deaf children
Edison's commutator.
BELL: TELEPHONE DEMO, 1877.