Telegraph key used by William H. Taft to open Alaska-Yukon Exposition (1909) (used again by T. Roosevelt in 1913 to open Panama Canal) at National Museum of American History. Washington, DC.

Telegraph key used by William H. Taft to open Alaska-Yukon Exposition (1909) (used again by T. Roosevelt in 1913 to open Panama Canal) at National Museum of American History. Washington, DC.
Photo by Jim Steinhart © 2013, all rights reserved. (Ref: DCMI2741)

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National Museum of American History, Presidential Collection, Washington, DC

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