n-Freezing and Non-Wasting Hydrant. ject, was made as long ago as 1825, by Dr. Thomas The Effect of Sunshine on Fire. Street hydrants not unfrequently freeze up in con- sequence of the waste water collecting around the ing paper on the above subject. working parts, and these parts are continually… … ground, by means of a tool made for tion to some peculiar effect, as of inter- ference of the solar rays upon flame. the purpose. Patented Sept. 3, 1861, by Lewis P. Clark. For Dr. Wyman inferred that the sunshine, by warm- ; burn briskly in the early part of the day, slacken be- manufacturing,…
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