1956 Press Photo US Air Force Lincoln Laboratory in Lexington, Massachusetts

Defense - United States. Air Force unveiled parts of its super-secret Lincoln Laboratory at Lexington, Massachusetts, Tuesday, where research is under way to develop a semi-automatic ... mass raids by enemy planes. In this general view of the main building are shown on the roof radar antenna (left) and new type radome or housing (right).

Photo is dated 1956.

Photo measures 8.25 x 7.5 inches.