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Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
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Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.
©
Stone and Cedar: Yerkes Observatory in Williams Bay Wisconsin. Founded 1897 by the University of Chicago and featuring the 40 inch telescope that appeared at the 1893 Columbian Exposition. At the time of its construction it was the largest telescope in the world.