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Speculum metal
Telescopes and Binoculars
A Newly-Discovered Accurate Early Drawing of M51, the Whirlpool Nebula
Aplea for Reflectors
The Herschels and Their Astronomy
The Production of Metal Mirrors for Use in Astronomy
A 'Catchers Tale' the 'Leviathan Lord'
Telescopes and the Popularization of Astronomy in the Twentieth Century Gary Leonard Cameron Iowa State University
Telescopes in History E N C Y CLOPEDIA of a STRONOMY and a STROPHYSICS
Historyofthetelescope
Galactic Astronomy
Reflections on Mirror Coating Materials
Building Large Telescopes. II- Reflectors
Gregorian Telescope
Stars and Satellites Mary Brück
The Telescope
The Ages of Astrophotography
August 2009 News
Technological Revolution in Astronomy
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