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Great, give us more knowledge, then... (I'm always hungry)... I do understand the desire for optically flat glass for this application. And although window glass that I've seen tends toward slow ripples and distortion, most of the framer's glass I have worked with has been fairly optically "pure" (although not always). However, that being said, perhaps you can answer these question, which will be more valuable to anyone needing to replace their scanner glass, since you have a greater knowledge base about such matters: Where are there good sources for such glass? Do most glass suppliers carry it, or is it only available from certain facilities? Is it made to order for scanner companies, or is it a generic glass they simply order? About how much is it a square foot, or is it only sold in set sizes? Does it vary in thickness? Is there a standard thickness used for most letter and legal sized scanners? Inquiring minds want to know. Art AJNECP@aol.com wrote: > In a message dated 4/26/02 9:36:53 AM, email@example.com writes: > > << At the price they are selling flatbed scanners, I suspect the glass > isn't all that special. I'm sure it's better than some I see on clip > frames coming out of China, but I'm not sure it is better than the glass > most framers use. >> > > "Little knowledge is a dangerous thing" > Scanner glass must be optically flat. It is a high quality glass. It is not > "farmers" glass or window glass. If it were poor grade your scans would come > out distorted, wavey, and perhaps mixed colors..... > > AJ - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.