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PP/7/4 - Section 4. Alternative heating methods, including solar and wind power.

Reference code
PP/7/4
Level of description
File
Title
Section 4. Alternative heating methods, including solar and wind power.
Date/s
1954
1957
Quantity & Format
6 items Mixed
Scope and content
Correspondence about heat pumps and wind pumps. Includes letters about reports, leaflets & publications sent. Some rough calculations on wind power.
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