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unusual facts about Ritchey


Ritchey

George Willis Ritchey (1864–1945), American optician, telescope maker and astronomer


Allegheny Center

Designed by architects Detter & Ritchey, it involved a $65 million project by Alcoa Properties, Inc.

Alois Purgathofer

In 1969 the Leopold Figl observatory was built on the Mitterschöpfl mountain under his technical and astronomical advice, containing a 1.5 m Ritchey-Chrétien telescope.

George Willis Ritchey

George Willis Ritchey (December 31, 1864 – November 4, 1945) was an American optician and telescope maker and astronomer born at Tuppers Plains, Ohio.


see also