parabolic
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Looking up from ground level at the 60-foot-high expanse that makes up the parabolic mirror system of the solar furnace..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Walter meinel stands in front of a linear parabolic reflector, a prototype of the system that he proposes for large "solar farms"..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Prototype of a linear parabolic reflector used to gather the sun's energy and heat fluid in the center pipe to several hundred degrees F..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Prototype of a linear parabolic reflector used to gather the sun's energy and heat fluid in the center pipe to several hundred degrees F..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Prototype of a linear parabolic reflector used to gather the sun's energy and heat fluid in the center pipe to several hundred degrees F..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)

View of the parabolic reflectors and test cab (extreme right) of the solar furnace apparatus operated for the U.S. Army at the White Sands Missile Range, 04/1974.
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)
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