Understanding the Inventions That Changed the World. Episode 19, Cameras, Telephones, and Phonographs.
Understanding the Inventions That Changed the World. Episode 19, Cameras, Telephones, and Phonographs.
- 1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Title from title frames. Film In Process Record.
W. Bernard Carlson
Originally produced by The Great Courses in 2013.
The mid-19th century saw the rise of analog communications, where film and electric currents were used as substitutes for an object or message. Meet the inventors of the first information age - among them, Louis Daguerre, Alexander Graham Bell, and Thomas Edison - and learn how they made information and knowledge widely available to millions.
Mode of access: World Wide Web.
In English
6771392 Kanopy
History, Ancient.
Engineering.
Education films.
Title from title frames. Film In Process Record.
W. Bernard Carlson
Originally produced by The Great Courses in 2013.
The mid-19th century saw the rise of analog communications, where film and electric currents were used as substitutes for an object or message. Meet the inventors of the first information age - among them, Louis Daguerre, Alexander Graham Bell, and Thomas Edison - and learn how they made information and knowledge widely available to millions.
Mode of access: World Wide Web.
In English
6771392 Kanopy
History, Ancient.
Engineering.
Education films.