Infinite photos and videos for every Wiki article · Find something interesting to watch in seconds
History
Page
Hotline telephone without dial
Hotline telephone without dial
Page
A telephone operator manually connecting calls with cord pairs at a telephone switchboard
A telephone operator manually connecting calls with cord pairs at a telephone switchboard
A modern central office, equipped with voice communication and broadband data capabilities
A modern central office, equipped with voice communication and broadband data capabilities
Tivadar Puskás
Tivadar Puskás
1922 diagram of 1877 Boston exchange
1922 diagram of 1877 Boston exchange