

| 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
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