Precautions necessary in connecting up hot water boilers.
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| Title: | Precautions necessary in connecting up hot water boilers. |
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| Authors: | Spring, H. M. |
| Source: | Heating & Ventilating; November 1939, Vol. 36, p48-50, 3p |
| Database: | Applied Science & Technology Source |
| ISSN: | 00960594 |
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