Build a drain-down solar water heater a low-cost, freeze-proof system
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| Main Author: | |
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| Corporate Author: | |
| Format: | Books Print Book |
| Language: | English |
| Published: |
[Harrisburg :
Penna. Dept. of Community Affairs, Energy Office]
c1979.
|
| Subjects: | |
| Tags: |
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| Item Description: | Pa. State Docs. class. no.: PCA 1.2:B932 |
|---|---|
| Physical Description: | 41 p. : ill. ; 28 cm. |
