X-rays
X-rays Polaroid x-ray machine Why build when you can buy There are still a few cool things you can find on eBay. X-ray Machine An Inexpensive X-ray Machine The Scientific American Book of Projects for The Amateur Scientist Copyright 1960 by C. L. Stong WARNING! This is a large page (0.5 Meg including pictures). You may wish to download the zip compressed page and view this page offline. x-ray.
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Astronomical X Rays@