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Subject:Crisp detailed Jpegs from Vanagon Microfiche wanted - please help
From:Blue Eyes
Date:Sat, 20 Feb 1999 11:29:58 -0600

Since I have, WE have one genuine dealer Vanagon Microfiche.   It has about 102
pages of wonderful exploded views and part numbers that could serve this
community of friends.   The  fiche measures 9.3 inches by 7.1 inch.  Individual
pages are laid out in a format .9 cm wide by .7 cm. tall.  This appears to be
like either A size or 11 inch by 8 1/2 as a comparable full size hardcopy
equivalent.  To give you a feel for the scale of this reduction, that's about
1/1000th of the full size area per page and a linear reduction by a factor of
about 31.4 to 1.   My scanner is capable of true optical resolution as fine as
600 by 1200.  Interpolation "resolution" beyond the optical limits won't help
us.  600 x 1200 dpi sounds pretty good for detailed examination of postage
stamps etc., but when we divide that by 31.4 it's only the full page size
equivalent to 19.1 by 38.2 dots per inch!  That's not even close to being fine
enough to what we need.

I hope one among us has access to the high accuracy scanning equipment
necessary to make really crisp detailed Jpegs directly.  If that connection
fails, we can try to optically enlarge each page and then scan the resulting
hard copy into Jpegs that could display on most computers.  It would be a poor
decision to skimp on the conversion quality by accepting some marginally blurry
public library machine.  These might be used over and over by, well, who knows
where someone like Bob might send them.  If you can get this scanned by one of
the right kind of dedicated optical equipment, contact me and let's talk.  All
on this List should thank you.
John

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