Pluto Telescope 1
Attractions & Amusements in Flagstaff picture - The thirteen-inch refractor telescope used to discover Pluto. It's known as the A. Lawrence Lowell telescope, named for Percival's brother. Lawrence was the president of Harvard University and gave $10,000 to have the telescope made. The lens was ground by C.A. Robert Lundin, who worked for Alvan Clark and Sons.