Palomar Observatory San Diego County, California - Vintage Postcard

On front: Palomar Observatory San Diego County, California
On back: On Palomar Mountain, 69 miles north of San Diego, is the largest astronomical observatory in the world. Engineers at the California Institute of Technology spent many years alone in the grinding and polishing of the great 200 inch mirror lens, the largest reflector known to man. When completed, this observatory will consist of seven buildings, costing $6,000,000.00.
Unmailed:
Condition: Okay with small edge damage and age discoloration
Publisher: Hopkins News Agency
Color tinted linen

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