Sabtu, 09 Juli 2011

solar heat: Concave Mirror

Concave Mirror

List Price: $135.00

Size does matter. Demonstrate the principles of optics and mirrors.

List Price: $135.00
Your Price: $135.00-
This extra-large parabolic mirror makes demonstrating optical principles a snap. Demonstrate the reflection and focusing of light, heat, and even sound. A discussion of shapes and uses of

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