Holmes Burglar Alarm of Boston installs first telephone exchange
Holmes Burglar Alarm of Boston installs first telephone exchange
Puskás designs first telephone exchange
Puskás designs first telephone exchange
Coy opens the first telephone exchange (in New Haven)
Coy opens the first telephone exchange (in New Haven)
Photo: New York's central telephone exchange office
Photo: New York's central telephone exchange office
Telephone Exchanges open in Berlin, Vienna, and Sydney
Telephone Exchanges open in Berlin, Vienna, and Sydney
Operators working at a 'pyramid' switchboard
Operators working at a 'pyramid' switchboard
First telephone exchanges in India, Russia, and Shanghai
First telephone exchanges in India, Russia, and Shanghai
Photo: Operators at Boston's Tremont St central office
Photo: Operators at Boston's Tremont St central office
First 'common battery' central office (Lexington, Mass.)
First 'common battery' central office (Lexington, Mass.)
Photo: Lines going into the back of switchboards in LA central office
Photo: Lines going into the back of switchboards in LA central office
Photo: Pasadena, CA's first telephone exchange
Photo: Pasadena, CA's first telephone exchange
Photo: Operators in Charleston, West Virginia, 1905
Photo: Operators in Charleston, West Virginia, 1905
Slideshow: Pac Tel 1912: Central Office Scenes
Slideshow: 49 photos
Slideshow: Pac Tel 1912: Central Office Scenes
Slideshow: Telephone Exchanges of the World, 1913
Slideshow: 27 photos
Slideshow: Telephone Exchanges of the World, 1913
Video: The Tele Skater Girls
Video: The Tele Skater Girls
Photo: Chicago Central Office Roller Skates
Photo: Chicago Central Office Roller Skates
Video: The World's Switchboard!
Video: The World's Switchboard!
Photo: Paris long distance central office
Photo: Paris long distance central office
Photo: Long Lines office in New York
Photo: Long Lines office in New York
Video: London Telephone Exchange
Video: London Telephone Exchange
