Engraving of Sir Charles Wheatstone , a pioneer of electric telegraphy. In 1837, together with William Fothergill Cooke , he patented the five-needle...
Technician reads newspaper and pretends it is going into a radio set while two men sit at desk listening to the broadcast
Optical telegraph invented by Claude Chappe c. 1792, illustration from "Le Petit Journal" december 1st, 1901視光學
The first electric telegraph by Samuel Morse circa 1835 engraving from the book "Album of science famous scientist discoveries" in 1899
An advertisement illustration for the Automatic Signal Telegraph Company promoting home security using telegraph communication shows two scenes, one...紐約市, 警察
dunes and old telegraph station, eucla national park, western australia, australia, australasia - 電報機 個照片及圖片檔
Fernschreiberbüro in der Pädagogischen Akademie, Tagungsort des Parlamentarischen Rates: Sekretärin am Fernschreiber - Bonn, 1948 / 1949 Foto: Erna...
Volunteer, Leo Nette, at work at the Beechworth Telegraph Station where he sends telegrams using the old method of tapping anywhere in Australia, on...
Electrical needle telegraph receiver developed in 1842 by Alphonse Foy and Louis Francois Clement Breguet . Back. Nineteenth century colored...
Illustration , entitled 'The Laying of the Cable--John and Jonathan Joining Hands,' depicts a gesture of goodwill between Great Britain and the...美國
Photograph taken of a telegraphic operating room at the General Post Office in London. The number of telegraphic messages transmitted from the...辦公室
Subaltern's Experiences During The Recent Russian War Scare In India. Peace, War, And Then Peace Again: 1. Hurrah! His Leave To England Is Granted....
The Daily Telegraph building, Fleet Street, City of Westminster, London, early 1930s. Reid, an amateur photographer of independent means, began an...
Daily Telegraph, Fleet Street, London, 1913. Fleet Street has been associated with the printing and newspaper industries since about 1500. The Daily...報紙
Lord Kelvin's transatlantic telegraph, 1877. William Thomson's receiving apparatus used at Brest, France, including his mirror galvanometer , an...
Operator receiving a message in Morse code on an electric printing telegraph, 1887. In the box under the table are the wet cells supplying...機械
Lesage experimenting with the first electric telegraph, Geneva, 1774 . George Louis Lesage , Swiss scientist, devised an early form of electric...18世紀風格, 十八世紀, 科學家
Soldiers of Battery B Signal Army Corps sending telegraph messages during maneuvers at Van Cortlandt Park in New York, World War One, USA, circa...
Soldiers of Battery B Signal Army Corps sending and receiving telegraph messages during maneuvers at Van Cortlandt Park in New York, World War One,...美國, 第一次世界大戰
Coiling the Atlantic telegraph cable in one of the tanks on board the Great Eastern. Original Publication: Illustrated London News
Portrait of the Italian inventor and radio pioneer Guglielmo Marconi sitting in front of a telegraph in the laboratory aboard his yacht 'Electra'.馬可尼, 器材, 遊艇
Close up showing a telegraph operator receiving a ticker tape message at a Cable & Wireless office where telegrams are sent via Imperial.訊息, 收到
old engraved illustration of diagrams of a device for telegraphing and telephoning simultaneously - 電報機 個照片及圖片檔
making of a newspaper, how the news comes, by cable, telegraph and telephone, vintage illustration 1890s, 19th century - 電報機 幅插畫檔、美工圖案、卡通及圖標歸檔, 復古風格, 英國
theories and instruments of optics engraving antique illustration, published 1851 - 電報機 幅插畫檔、美工圖案、卡通及圖標19世紀風格, 設計圖
theories and instruments of optics engraving antique illustration, published 1851 - 電報機 幅插畫檔、美工圖案、卡通及圖標
Sports reporter, who wears a visor and smokes a pipe, writing his report as a second man stands over him at a stadium, United States, circa 1950.
vintage brass ship's engine order telegraph or chadburn in engine room of steam ship - 電報機 個照片及圖片檔水上交通工具, 圓形
