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In 1930, a Pittsburgh plumber built a tiny aluminium observatory in his backyard for a homemade telescope; its unusual dome became a prototype for observatory designs and later helped bring him face to face with Einstein

In the autumn of 1930, Leo Scanlon, a plumber from Pittsburgh, solved a problem in his backyard that would leave a lasting mark on amateur astronomy. Scanlon was building a private observatory behind ...

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October 15, 2026

Browsing Tag: observatory

In 1930, a Pittsburgh plumber built a tiny aluminium observatory in his backyard for a homemade telescope; its unusual dome became a prototype for observatory designs and later helped bring him face to face with Einstein