More on manuals plus rescue

Sean Caron scaron at
Tue Aug 18 11:09:23 CDT 2015

I agree, you really just have to try and run a test through with a
representative page from the document with fine detail and see how it comes
out ... I have found that even fairly fine detail reproduces okay with a
300 DPI scan ... there's no need in scanning with extraneous bit depth and
then you start to get people complaining about file sizes :O



On Tue, Aug 18, 2015 at 9:48 AM, Alexandre Souza <
alexandre.tabajara at> wrote:

> I have many schematics scanned in 300dpi and they are great even for a3
> printing. Take a lookk at "esquematico de informatica cce" (google it) as
> an example...
> Em 18/08/2015 10:36, "Tothwolf" <tothwolf at> escreveu:
> > On Tue, 18 Aug 2015, Shoppa, Tim wrote:
> >
> > I certainly feel bitsavers is a good model, and although I'm physically
> >> not too far away from the stuff, I'm not sure I have much to offer other
> >> than disk space on a server for staging.
> >>
> >>
> >>
> >> (previous link: )
> >>
> >
> > The problem I've found with scans is that even at 600 dpi you lose detail
> > necessary to make use of a lot of the material in these types of manuals
> > (especially parts designations and values on schematics). It is amazing
> > just how high the print quality is for many of these 1950s/60s/70s
> manuals.
> >

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