Issue 2 and Volume 44.

EFFECTIVE WORK OF A CHEMICAL NOZZLE Sometime ago, when this nozzle was tested in Manhattan, with considerable success, a description of its construction was given. Since that time it has been pushed, so that it may now be seen in a number of fire departments, especially in the West. Henry Sieben, the general manager of the company controling the nozzle, recently made an extensive trip, including the large cities of the Pacific slope, and the exhibitions he has given are repetitions of that made in New York, so far as the satisfactory operation of the appliance goes; but, for the information of those not acquainted with it, some further data and illustrations of its operation are given herewith. In the centre of the nozzle is a chamber that holds a cylinder containing the chemical. The pressure is furnished from the ordinary fireplug, and, as shown in the illustration, the small…

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