Comments on: How does a overhead projector work? http://youthinside.org/2008/01/03/how-does-a-overhead-projector-work/ All About Shopping Mon, 21 May 2012 22:23:43 +0000 http://wordpress.org/?v=2.3.1 By: lissybeanss http://youthinside.org/2008/01/03/how-does-a-overhead-projector-work/#comment-1563 lissybeanss Thu, 03 Jan 2008 14:07:21 +0000 http://youthinside.org/2008/01/03/how-does-a-overhead-projector-work/#comment-1563 its not a 'film' its called a transparency and the image reflects off the mirror onto the screen with is usually a white screen or a white wall. and it needs a lightbulb . its not a ‘film’
its called a transparency
and the image reflects off the mirror onto the screen with is usually a white screen or a white wall.

and it needs a lightbulb .

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