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2. Celestron - Wikipedia

   en.wikipedia.org/wiki/Celestron

   Celestron was the first large scale commercial manufacturer of the Schmidt-Cassegrain telescope, introducing its "C8" 8" diameter 2032 mm focal length, ƒ10 telescope in 1970. [7] The primary innovation Celestron/Tom Johnson devised was a method to produce Schmidt corrector plates using a vacuum to pull the glass blanks into a pre-shaped curve ...

3. Boller and Chivens - Wikipedia

   en.wikipedia.org/wiki/Boller_and_Chivens

   Founded about 1946 by Harry Berthold Boller (1915-1997) and Clyde Cuthbertson Chivens (1915-2008). [1] the company was acquired in 1965 by Perkin-Elmer.[2]In the 1950s, Boller and Chivens collaborated with Perkin-Elmer to develop and manufacture the large-aperture Baker-Nunn satellite tracking camera for the United States Vanguard space satellite program.

4. Questar Corporation - Wikipedia

   en.wikipedia.org/wiki/Questar_Corporation

   The ads focused on the telescope's mechanical and optical design, educational value for children, ease of use, and adaptations as a spotting scope and telephoto lens. The Questar of the 1950s and early 1960s had a proprietary screw in eyepiece design and offered little capacity to employ third-party accessories.

5. 6 Christmas Collectibles That Could Be Worth a Fortune

   www.aol.com/6-christmas-collectibles-could-worth...

   This $29 'it bag' from Amazon rivals a popular Coach purse style that costs 10x more

6. Edmund Scientific Corporation - Wikipedia

   en.wikipedia.org/wiki/Edmund_Scientific_Corporation

   The company became briefly famous in 1973 when Comet Kohoutek approached Earth and the company sold out of telescopes, a fact that made national news. [2] Neil deGrasse Tyson would later comment that "The Edmund Scientific catalog was a geek's paradise. At a time when no one had access to lasers, they had them for sale." [2]

7. Z8 - Wikipedia

   en.wikipedia.org/wiki/Z8

   Telescope Live (observatory code Z08), Oria, Spain; see List of observatory codes; Vehicles. ... Línea Aérea Amaszonas (IATA airline code Z8) Z08, ...