![Telescope: The 26-inch Photographic Refractor & the 30-inch reflector of the Thompson Equatorial (1896) Telescope: The 26-inch Photographic Refractor & the 30-inch reflector of the Thompson Equatorial (1896)](http://www.royalobservatorygreenwich.org/devblog/wp-content/uploads/2015/06/Greenwich-Observatory-30-inch-Reflector.jpg)
Telescope: The 26-inch Photographic Refractor & the 30-inch reflector of the Thompson Equatorial (1896)
![30 Inch (0.8 meter) Telescope for University of Texas, McDonald Observatory - Boller and Chivens: A History "Where Precision is a Way of Life" - Boller and Chivens were makers of Telescopes and Precision Instruments 30 Inch (0.8 meter) Telescope for University of Texas, McDonald Observatory - Boller and Chivens: A History "Where Precision is a Way of Life" - Boller and Chivens were makers of Telescopes and Precision Instruments](http://bollerandchivens.com/wp-content/uploads/2011/09/30-in-telescope-w-Torgersen.jpg)
30 Inch (0.8 meter) Telescope for University of Texas, McDonald Observatory - Boller and Chivens: A History "Where Precision is a Way of Life" - Boller and Chivens were makers of Telescopes and Precision Instruments
![Telescope: The 26-inch Photographic Refractor & the 30-inch reflector of the Thompson Equatorial (1896) Telescope: The 26-inch Photographic Refractor & the 30-inch reflector of the Thompson Equatorial (1896)](http://www.royalobservatorygreenwich.org/devblog/wp-content/uploads/2015/06/Greenwich-Observatory-Thompson-Equatorial.jpg)