Hydrogen-Ion Concentration

Issue 23 and Volume 72.

Hydrogen-Ion Concentration To many water works superintendents the term “Hydrogen-Ion Concentration,” has a mysterious and over-scientific sound that, perhaps, is apt to frighten them off from experimenting practically with this modern method of water determination. An article such as that written for FIRE AND WATER ENGINEERING by Waldo S. Coulter, consulting engineer, on page 1011 will be found of considerable value, as showing that the new method is really simple and within the reach of all superintendents who care to take advantage of it. The use of this system is becoming more and more general among those who recognize its usefulness and Mr. Coulter’s article should prove of interest to all superintendents and filter operators. The fire in the Ridgefield Oil Company’s plant, in Los Angeles, Cal., as described by Chief R. J. Scott of the fire department of that city contains some lessons in the fighting of oil fires.…

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