Topografiske kart Varna

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Hartung-Boothroyd Observatory

United States > New York > Tompkins County > Town of Dryden > Varna

The primary 0.6m mirror was constructed from a Pyrex 1/8-scale test pouring as part of technology development for the Palomar Observatory 200-inch telescope. The mirror was polished and mounted in a lightweight tube in the late 1930s under Boothroyd's direction, but World War II deferred its planned use in a…

Gjennomsnittlig høyde: 477 m