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  - Drawing on themes of previous lectures - the widespread availability of electric power, the mass production of goods, and consumer distribution channels - this lecture shows you how appliances such as vacuum cleaners and washing machines were invented, how they changed life in American homes, and how they act as symbols for the middle class
UR  - https://tus.kanopy.com/node/5771413
UR  - https://www.kanopy.com/node/5771413/external-image
ER  -