16-A
THE NATIONAL RADIO ASTRONOMY
OBSERVATORY
Green Bank, West Virginia
The 140-foot radio telescope was completed in
the spring of 1965 and is the largest equatorially
mounted radio telescope in the world. This massive
instrument has a moving weight of 2,500 tons
but has the precision of a fine clock.
Color Photography by C. H. Ruth
27569
Pub. by Valley News Agency, Inc., Staunton, Va.