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Solar greenhouse owned and built by Peter Howell, located at about the 8,500 level in the front range..., 05/1975.
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

A model of the cup-shaped solar heating panel to be built and tested by the Aden Meinel family near Tucson, Arizona..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Exterior picture of the south facing walls of a modular solar-heated home near Corrales, New Mexico..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Close up a solar heating panel in a modular house built near Corrales, New Mexico..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Exterior detail of 55-gallon water filled drums that form the core of the passive solar heating system of this home near Corrales, New Mexico..., 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Part of the plumbing and associated equipment for the solar heating and cooling demonstration project, funded by the National Science Foundation..., 05/1975.
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)
601件~660件 (全 2,842件)