los angeles, california, united states of america, sunrise over downtown skyline - 電話線 個照片及圖片檔洛杉磯市, 美國, 低角度觀看
Members of a Northwestern Telephone crew perch on a telephone pole in Houlton, Wisconsin. 1914. | Location: Houlton, Wisconsin, USA.
Post Office telephone engineers at work fixing telegraph wires to the insulators on a replacement telegraph pole near Staines in Middlesex.工程師, 英國, 複雜性
The Falmouth, Gibraltar, and Mediterranean Telegraph: landing the cable at Porthcurnew Bay, Cornwall, 1870. 'The successful completion of the...
teamwork, electrical engineer and tablet in power plant with inspection for electricity transmission or tower check. engineering, collaboration or data transfer for energy distribution or maintenance - 電話線 個照片及圖片檔能源, 工程師, 無線電通訊塔
vintage illustration swift's perching on a telegraph line, birds wildlife art - 電話線 幅插畫檔、美工圖案、卡通及圖標電線, 英國
Illustration showing the laying of the Atlantic Telegraph Cable. In 1866, the British ship Great Eastern succeeded in laying the first permanent...通訊
close-up image of male hands using smartphone at night on city shopping street, searching or social networks technology concept - 電話線 個照片及圖片檔技術, 數碼製圖
Dombur: The New British Sea Cable. A new telephone cable has recently been completed between England and the Netherlands. The cable is a hundred...
