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Dr. Cheryl Thurber wrote: When my children were babies I discovered that a baby hairbrush was the most effective brush to use on 78s. It is extremely soft, with multiple bristles. I have tried various cleaning solutions over the years, but have always stuck with the baby hairbrush, it gets into the grooves. > > The use of the tooth-brush is hard to quantify. > Bristle configurations > vary & what is soft to one may not be to someone > else. Relative to "hard" > surfaces such as old shellac, Diamond Discs & > acetates I don't believe a > soft tooth brush is harmful, it's just poor at > reaching into groove > effectively. The idea is to present a fiber mass > that fits well in the > groove & has the characteristics required to > strongly & safely agitate the > cleaning solution. Random directionality, > inappropriate fiber construction > as well as the choice of fiber are variable that > must be carefully > controlled is the quality & safety of the process is > to be assured. ===== Dr. Cheryl Thurber email: [log in to unmask] P.O. Box 9447, Baltimore, MD 21228-0447 New phone # 410-747-5557 __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com