The telephone by Alexander Graham Bell: Bell's words, proclaimed in Salem, are heard by a station in Boston, 22 km away, United States of America,...電話
Inventor Alexander Graham Bell poses for a portrait with his wife Mabel Hubbard Gardiner Bell in 1894.
Bank Note Engraving, Alexander Graham Bell . Scottish-born American inventor and educator. Opened school for training teachers of the deaf, Boston,...
Scottish inventor Alexander Graham Bell demonstrates his telephone at the Lyceum Hall in Salem, Massachusetts.
Alexander Graham Bell was born in Edinburgh, Scotland but emigrated to the United States, settling in Boston where began his career as an inventor....電話
Alexander Graham Bell , aged 29, inventor of the telephone. After experimenting with various acoustic devices, Bell produced the first intelligible...電話
Portrait of Elsie Bell Grosvenor , who holds her son, Melville Bell Grosvenor in her arms, and poses with her father, Scottish-born American...
Scottish-born American inventor Alexander Graham Bell's most famous invention was the telephone, patented in 1876. Bell was also an educator and...
Experiments on the phone from Dr. Alexander Graham Bell , to transmit the human voice over long distances. Boston, 1877. United States. 19th-century...電話
Alexander Graham Bell , Scottish-born American inventor, 1876. Bell filing the patent for his telephone at the United States Patent Office at 3pm on...
National Geographic Society. Anniversary of Bell Telephone. Front: Theodore Newton Vail And Alexander Graham Bell; Back of Bell, Thomas Augustus...National Geographic Society
Alexander Melville Bell, 1819-1905, circa 1900. Three-quarter length portrait, seated, facing right. [Teacher and researcher of physiological...
Engraving depicting the first Bell telephone , invented by Alexander Graham Bell. Alexander Graham Bell a Scottish-born scientist, inventor,...電話
Alexander Graham Bell was born in Edinburgh, Scotland but emigrated to the United States, settling in Boston where began his career as an inventor....電話, 英國維多利亞女皇
This box telephone, which was previously used at Lloyds signal station in Crookhaven, represents one of Alexander Graham Bell's earliest efforts to...電話
Picture of Dr Alexander Graham Bell , the US scientist, born in Scotland, who invented the telephone in 1876, seen here inaugurating the New York -...電話
Alexander Graham Bell's photo phone. Vibrations of the diaphragm of the transmitter caused light pulses to fall on a light sensitive selenium cell....
Alexander Graham Bell's photo phone. Vibrations of the diaphragm of the transmitter caused light pulses to fall on a light sensitive selenium cell....
ALEXANDER GRAHAM BELL 1847-1922. AMERICAN INVENTOR AND EDUCATOR. INVENTOR OF THE TELEPHONE. UNDATED PHOTO.
Alexander Graham Bell, the Scotsman who invented the telephone, experimented with giant man-carrying kites during the first decade of the 20th...
Vintage illustration featuring Alexander Graham Bell, the British scientist and inventor who is credited with inventing the first practical...
Alexander Graham Bell was an eminent Scottish-born scientist, inventor, engineer and innovator who is credited with inventing the first practical...
The phones used by Thomas Watson, and Alexander Graham Bell, to make the first transcontinental phone call from New York to San Francisco, a hundred...電話
Alexander Graham Bell Scottish-born American inventor: patented telephone 1876. Bell in lecture hall of Boston University, communicating by means of...
Alexander Graham Bell holding a conference to demonstrate how to use the phone, Salem, United States of America, engraving from L'Illustrazione...
Thomas A Watson , an electrical engineer who worked with Alexander Graham Bell on the development of the telephone. Together Watson and Bell...電話
Alexander Graham Bell Scottish-born American inventor; patented telephone 1876. Bell filing caveat for his telephone at United States Patent Office...
Inventor Alexander Graham Bell poses for a portrait with his wife Mabel Hubbard Gardiner Bell and his daughters Elsie Bell and Marian Bell in 1885.
Alexander Graham Bell's first telephone , exhibited at the Philadelphia Centennial Exhibition of 1876.展覽會
Alexander Graham Bell demonstrates his telephone with a call to Boston at the Lyceum Hall, Salem, Massachusetts. Illustration published in Frank...教授, 電話
Side angle view of the Alexander Graham Bell home at 1331 Connecticut Ave., N.W., , Washington, D.C. Photoprint (Grosvenor-
telephone by alexander graham bell (1847-1922), wood engraving published 1880 - 亞歷山大貝爾 幅插畫檔、美工圖案、卡通及圖標電話
ALEXANDER GRAHAM BELL TEACHING A DEAF CHILD TO SPEAK. IN 1872 HE OPENED A SCHOOL OF VOCAL PHYSIOLOGY AND MECHANICS IN BOSTON.UNDATED LITHOGRAPH.
