Date:         Sat, 20 Feb 1999 10:42:02 +0000
Reply-To:     akimmons@PDQ.NET
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Racer X <akimmons@PDQ.NET>
Subject:      Re: Crisp detailed Jpegs from Vanagon Microfiche wanted - please
              help
Comments: To: Blue Eyes <lvlearn@MCI2000.COM>
Content-Type: text/plain; charset=us-ascii; x-mac-type="54455854";
              x-mac-creator="4D4F5353"

Im not sure on this one, but I seem to remember years ago using the microfiche in
high school or college or somewhere, but it seems to me you could print out the
page if you wanted...Might try the public library, print out the little fishes and
scan those...
Worth a try?
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