TY  - ADVS
AU  - Bernard Carlson,W.
ED  - The Great Courses (Firm),
ED  - Kanopy (Firm),
TI  - Understanding the Inventions That Changed the World
PY  - 2013///
PB  - The Great Courses
KW  - History, Ancient
KW  - Engineering
KW  - Education films
KW  - lcgft
N1  - Title from title frames; Film; In Process Record; W. Bernard Carlson; Originally produced by The Great Courses in 2013
N2  - 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
UR  - https://tus.kanopy.com/node/5771393
UR  - https://www.kanopy.com/node/5771393/external-image
ER  -