Video: Refractor telescope from 1934 still in use at Philadelphia’s Franklin Institute

Derrick Pitts, lead astronomer at Philadelphia’s Franklin Institute, talks about the telescope used in the Bloom Observatory. The 10-inch refractor telescope has been around since 1934, and was built ... read full story at CrunchGear

Tags: Arc Seconds, Astronomer, Carl Zeiss Jena, Christopher Ray, Comet Halley, Dc Servo, Deep Sky, Faint Objects, Focal Ratios, Franklin Institute, Inch Reflector, Inch Refractor Telescope, Light Pollution, Observatory, Reflector Telescope, Sky Observations, Space Command, World War Ii, World War Ii Germany, Zeiss Refractor

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