Historical Papers on Amateur Telescope Making

        Henry Draper

             henry draper

        On the Construction of a Silvered Glass Telescope,
        Fifteen and a half inches in Aperture,
and its use in Celestial Photography.
        Smithonian Contributions to Knowledge Vol. 180
        Published 1864

       Draper Article in PDF format  5.5mb
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        George W. Ritchey

     happy george

              On the modern reflecting telescope, and the making and
         testing of optical mirrors.
          Smithsonian Contributions to Knowledge Vol XXXIV
          Published 1904

              Ritchey article in PDF format 11.3 mb
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