Secret Life Of Machines - The Telephone (Full Length)
24:50
Secret Life Of Machines - The Electric Light (Full Length)
25:52
Secret Life Of Machines - The Television Set (Full Length)
24:53
What Happened to America's oldest Telephone Network? (History of the Telephone) - IT'S HISTORY
14:28
The Coming of the Dial (1933)
25:55
Secret Life Of Machines - Internal Combustion Engine (Full Length)
46:30
Hanging On The Phone - British Telecom Documentary 2001
27:08
At the Connections Museum: the insane telephone technology that led to today's computers
25:50