I notice that they are quite specific about the scanner and pdf and=20
image format.
Interesting to note that there is a known bug with Xerox scanners, where=20
images of characters can be randomly changed, likely due to compression=20
algorithms even when compression options are turned off.

> Xerox scanners/photocopiers randomly alter numbers in scanned documents
<http://www.dkriesel.com/en/blog/2013/0802_xerox-workcentres_are_switching_=
written_numbers_when_scanning>

Joe W






On 8/12/2013 4:19 PM, RussellMc wrote:
> Repository of an utterly vast number of high quality PDF scanned images o=
f
> 'classic' data books, information sheets, service guides, user manuals, .=
...
>   etc of anciem regime electronics & computing stuff.
> Started in 1997 and still being added to most days. eg 150 pdfs added in
> August 2013 so far. )  (over 2 million pages, 25000+ documents)
>
> Octarine hole.
> Blacker than black.
> (You just THINK) you can visualise what Octarine looks like. Don't even
> THINK about it.
>
>
> Top level PDF index here.
> Directory per manufacturer.
> Not pretty
>
>             http://bitsavers.informatik.uni-stuttgart.de/pdf/
>
> Index text file sorted by saved date.
> One line per PDF
> More data - enough to see what you are getting.
> Still not pretty
>
>
> http://bitsavers.informatik.uni-stuttgart.de/pdf/IndexByDate.txt
>
> Home page.
> What they are doing.
> Not much on 'why'. Need you ask
>
>                  http://bitsavers.informatik.uni-stuttgart.de/
>
>
>
>           Astounding.
>
>
>                           Russell McMahon
>

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