Educational197412 min640×360

Toast

Hoffman, Daniel

EducationIndustrial and advertising

At the Internet Archive

Clips are not offered for this film: no licence or public-domain mark is recorded for it.

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About

The cycle travelled by a piece of bread from ground to toaster illustrates the concept of "net energy profit," that which is remaining after the energy costs of getting that energy are subtracted

Human-made No record of this work says a model made it. What this means.

Archive
Internet Archive, in Educational films
Licence or status
The Internet Archive states none for this item.
Credit
Hoffman, Daniel
Language
English
Who can watch
The archive gives no rating. Invisible Network shows it to Kids profiles and older, judged from its collection and subjects. How films are placed