Filming of a recreation of Michelson's velocity of light experiments, Mount Wilson. An unidentified actor is seen portraying Michelson; he sits beneath a tent with a table, stools and other instruments. He is wearing a suit and a hat. A white tarpaulin covers an unidentified object at the far right, in the foreground. Trees are behind the tent. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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