There was once a very different Observatory atop Mount Washington, a tower for surveying that stood from 1880 to 1902.
The Mount Washington Summit Road Company generously allowed the Observatory to use the Summit Stage Office for its home from 1932 to 1937.
In 1937, The Mount Washington Cog Railway built a special structure for the Observatory’s use. Some called it the strongest wooden building on Earth! Its stand-alone instrument tower was replaced by an attached tower in 1941.
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