So, these very beautiful things are difficult to see against a white background of pure light passing from the illuminator through your eyepiece.
The only way to see these things is by using contrast. This booklet is about a special method of creating contrast by Optical Staining. That's a fancy way of saying we color the light, selectively. It's like dyeing clothwithout the chemicals. This 39 page E-book with dozens of instructional photos, teaches you the Rheinberg method using tools and materials easily obtained at your local office supply store.
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