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Subject:Re: Crisp detailed Jpegs from Vanagon Microfiche wanted - please help
From:Racer X
Date:Sat, 20 Feb 1999 10:44:53 +0000

One more suggestion, there are audio-visual places here in Houston that specialize
in
transfering things like video to CD to movies and such. Perhaps a place like that
could
put those onto CD for you...eh?
Tony
---------

Blue Eyes wrote:

> 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