Selithco
479--PALOMAR OBSERVATORY,
SAN DIEGO COUNTY, CALIFORNIA
On Palomar Mountain, 69 miles north of San Diego
is the largest astronomical observatory in the
TRUE COLOR
world. It is the home of the 200-inch telescope FROM EKTACHROME
with its 16-ton mirror, the greatest reflector
known to man.
PLACE
STAMP
HERE
POST CARD
MADE BY SECURITY LITHOGRAPH COMPANY, SAN FRANCISCO 11. CALIF.
PUBLISHED BY HOPKINS NEWS AGENCY, SAN DIEGO 2, CALIF. -