SOLAR ENERGY: To Heat Greenhouse
16ft. by 36ft. greenhouse in San Diego, Cal., kept at 10 deg.F. differential when the lowest temperature outside was 29 deg. F. in an intermediate house, well insulated with two layers of polyethylene, by means of 400 one-gallon Clorox or milk jugs filled with water; refer to OD80-2Making use of sun's energy in Easton, Conn. to eliminate need to use fossil fuel from March to December in a large commercial greenhouse; much advanced data applied, with photographs and much detail; refer to A78-891+
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