Front:
PALOMAR OBSERVATORY,
SAN DIEG O COUNTY, CALIFORNIA 40
Back:
30340
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.
COLOR
со
-Published by Hopkins News Agency, San Diego, Calif.
