49 resultados para Solar water heating systems


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"Revision of PHS Publication no. 24, Individual water supply systems [by the Joint Committee on Rural Sanitation] issued in 1950."

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Issued in parts.

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"August 1979

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"In the present work there have been incorporated several papers ... which have been read before the Institution of Civil Engineers; and also the author's articles on 'Stoves' and 'Ventilation,' published in the Encyclopædia metropolitana."--Pref.

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"Contract No. EG-77-C-01-4042."

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September 1979.