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Re: [ATM] Draper Articles

On 10/3/07, James Crombie <jamescrombie@jamescrombie.com> wrote:
> Hello all
>    The first article by Henry Draper is available online now.
>
> http://www.jamescrombie.com/Draper/

You may find these two public domain articles (rescued from the
proprietary Royal Societies database) interesting as well:

Mudge, John.  "Directions for making the best Composition for the
Metals of reflecting Telescopes; together with a Description of the
Process for grinding, polishing, and giving the great Speculum the
true parabolic Curve."  February 27, 1777.
http://cydeweys.com/atm.pdf

Lassell, W.  "On Polishing the Specula of Reflecting Telescopes."
November 11, 1874.
http://cydeweys.com/atm2.pdf

Oh, and do beware the medial s's on that first one.
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