. Public works . Since all tubes arenow filled liquid is ejected at bothI lie strokes. The Pyrene extinguisher•, {lis only aliout five pounds and is14 inches loni; and 3 inches in diani- THE STERLING ELECTRIC SIREN FIRE HORN. An Electric Warning for Motor Fire Apparatus. The Inter-State Machine Co., NewLondon, Conn., which makes the hand-operated Sterling Siren Fire Horns, isnow making an electrically-operatedMren. There are two designs—onewith a dash bracket for lire trucks andone in which the siren is mounted on,. deck bracket for use on boat decks.,r runnin.:< boards of trucks. Theho
. Public works . Since all tubes arenow filled liquid is ejected at bothI lie strokes. The Pyrene extinguisher•, {lis only aliout five pounds and is14 inches loni; and 3 inches in diani- THE STERLING ELECTRIC SIREN FIRE HORN. An Electric Warning for Motor Fire Apparatus. The Inter-State Machine Co., NewLondon, Conn., which makes the hand-operated Sterling Siren Fire Horns, isnow making an electrically-operatedMren. There are two designs—onewith a dash bracket for lire trucks andone in which the siren is mounted on,. deck bracket for use on boat decks.,r runnin.:< boards of trucks. Thehorn operates on a six, eight or twelve-, olt lighting, starting or ignition stor-age battery which is part of the regu-lar equipment of almost every firetruck or on eight dry cells—the high-er the voltage the lounder the siren gives a rich, clear note whichcarries a good distance. It consistsof a small high-speed motor enclosedin an attractive dust and waterproofhousing. To the armature is connect-. STERLIN<; ELKITIUC PlRE HllKX. ed a 4-inch aluminum rotor which ope-rating at high speed against the aircut ofT by specially designed ports pro-duces the siren-note. The motor re-quires no attention and. except forpacking the bearings in grease threeof four times a year, no lubrication isnecessary. With the siren is furnish-ed cable, terminals, switch and mount-ing screws. The dimensions are:Length, about 13 inches; diameter, mo-tor end, about 34 inches; diameter atmouth of horn 5% inches. THE WATCH DOG FEED-WATER REGULATOR. The Watch Dog feed-water regu-lator made by L. J. Wing Mfg. Co.,New York City, and described in ourMay 7 issue, is now being made in anew type with some changes in theoriginal desi,gn, which was general operation is the same. Therubber diaphragm of the old type regu-lator needed an occasional renewing,but is now replaced by a bronze feed valve now used is the JenkinsBros, valve with renewable discs so that when a valve i
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Keywords: ., bookcentury1800, bookdecade1890, bookidpublicworks3, bookyear1896
