Lyot's visit to Pasadena, California in the '50s.

Place:Edison Pettit's observatory in Pasadena. Shows Lyot, Pettit, and Nicholson. The image shows Pettit's 3 angstrom bandpass Interference Polarizing Monochromator mounted to his personal 6-inch Clark telescope at his home observatory in Pasadena. Pettit did all of the optical and machine work in his own machine shop.

Photo Credit: Larry Webster, Mount Wilson Observatory




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