Overhead projectors
Submitted by admin on Fri, 2009-08-14 11:18.
Product category:
ProjectorsAbstract:
To project A4 or 8.5 x 11" size transparenciesOverhead projectors have on a large scale been replaced with projectors. See http://en.wikipedia.org/wiki/Overhead_projector and http://www.questia.com/googleScholar.qst?docId=5000129062 for articles.
