Issue 5 and Volume 73.

QUESTIONS AND ANSWERS “He that questioneth much shall learn much ”-BACON NOTE—Readers of FIRE AND WATER ENGINEERING are invited to send in questions, which will be answered in the order received. Names are omitted from questions unless otherwise specified. Preventing Elevated Water Tanks from Freezing To the Editor: Can you tell me where I can get some information on some good way to keep an elevated steel water tank heated so the water will not freeze? I have tried a few makeshift stunts, but nothing so far has been dependable. Yours very truly, H. H. F. Answer: The following extracted from literature of the Chicago Bridge & Iron Works, will no doubt be of help to you: “In elevated tanks used for certain purposes the water is stationary all the time, or nearly so. This class of tanks includes sprinkler tanks and general service tanks on private estates and in…

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