Transport of the 100-inch mirror to Mount Wilson Observatory. The mirror is covered in a white tarpaulin and is loaded onto the back of a truck, seen approaching the Observatory on a dirt road. Several unidentified people are riding on the truck and walking behind it. Trees and shrubs are in the areas surrounding the dirt road. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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