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  2. George Willis Ritchey - Wikipedia

    en.wikipedia.org/wiki/George_Willis_Ritchey

    Ritchey 24" reflecting Telescope. George Willis Ritchey (December 31, 1864 – November 4, 1945) was an American optician and telescope maker and astronomer born at Tuppers Plains, Ohio. [1] [2] Ritchey was educated as a furniture maker. He coinvented the Ritchey–Chrétien (R–C) reflecting telescope along with Henri Chrétien. The R-C ...

  3. Ritchey–Chrétien telescope - Wikipedia

    en.wikipedia.org/wiki/Ritchey–Chrétien_telescope

    Ritchey constructed the first successful RCT, which had an aperture diameter of 60 cm (24 in) in 1927 (Ritchey 24-inch reflector). The second RCT was a 102 cm (40 in) instrument constructed by Ritchey for the United States Naval Observatory; that telescope is still in operation at the Naval Observatory Flagstaff Station.

  4. Ritchey - Wikipedia

    en.wikipedia.org/wiki/Ritchey

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  6. RC Optical Systems - Wikipedia

    en.wikipedia.org/wiki/RC_Optical_Systems

    The smallest RCOS telescope, the 12.5 inch F/9 Ritchey-Chrétien had a base price of just over twenty thousand US dollars in 2009, with large and/or custom models costing considerably more. RC Optical Systems and Star Instruments won a lawsuit in 2008 against Meade Instruments over Meade's description of RCX400 and LX200R telescopes and the ...

  7. Flight 93 Memorial Chapel plans 9-11 service, with retired ...

    www.aol.com/lifestyle/flight-93-memorial-chapel...

    The Flight 93 Memorial Chapel is a spiritual memorial that honors the passengers and crew of Flight 93 and those who died on Sept. 11, 2001. Owned by the Catholic Church of the East, the Flight 93 ...

  8. Penalties and a puncture leave Lewis Hamilton struggling ...

    www.aol.com/penalties-puncture-leave-lewis...

    It's not often Lewis Hamilton is tempted to give up in Formula 1. Hamilton eventually decided to carry on the race but finished a lowly 12th. Two penalties, a puncture and a “messed up” car ...

  9. List of University of North Carolina at Chapel Hill alumni

    en.wikipedia.org/wiki/List_of_University_of...

    Former president of the University of North Carolina at Chapel Hill Frank Porter Graham: 1909: Former president of the University of North Carolina at Chapel Hill, and United States Senator from North Carolina Gordon Gray: 1930: Former president of the University of North Carolina, Secretary of the Army, and National Security Advisor: Michael ...

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