Photocopier

View Photocopier Hammack photocopier

Presenter: Bill Hammack

Published: December 2010

Age: 11-14 and upwards

Views: 3732 views

Tags: Photo

Type: Lectures

Source/institution: University of Illinois

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Bill uses power tools to take apart a photocopier. He shows how it works, and shares the story of its invention by Chester Carlson.

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