Leadership

NEW PRINCIPLES OF HYRDAULICS APPLIED TO FIRE STREAMS.

Issue 24 and Volume 19.

NEW PRINCIPLES OF HYRDAULICS APPLIED TO FIRE STREAMS. Samuel Ea.tman & Co,, of East Concord, N. H., have just issued a very instructive and interesting book on fire streams treating of the new principles of hydraulics as applied to fire streams. It is neatly gotten up of 56 pages, and illustrated with many half-tone engravings of the system in use both at public tests and in service at fires. It contains many valuable tables and records of public tests of fire streams; also the actual weight of nozzle pipes in handling fire streams the old way under different pressures. The most important merit of this new system is in its being able to produce instantly fire streams in any sizes in proportion to the fire, and to deliver, if occasion requires, streams more than double in volume and distance than have hitherto been produced, without increase of pressure. The system…

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