. The Street railway journal . e , no oil or grease can pos-sibly get to the commutator orwindings. The shaft is so constructed that in case of wear of the journals itcan be withdrawn from the armature body on the removal of a singlelocked nut, and a new one can be inserted without the least disturbanceof the windings. The motor, as will be seen by the engraving, isentirely encased, and proof against snow, dirt, moisture and physicalinjury. The gears are in a detachable, dustproof housing, and run in oil. Grooved Raw Hide Belting. It will be remembered that one of the features of th
. The Street railway journal . e , no oil or grease can pos-sibly get to the commutator orwindings. The shaft is so constructed that in case of wear of the journals itcan be withdrawn from the armature body on the removal of a singlelocked nut, and a new one can be inserted without the least disturbanceof the windings. The motor, as will be seen by the engraving, isentirely encased, and proof against snow, dirt, moisture and physicalinjury. The gears are in a detachable, dustproof housing, and run in oil. Grooved Raw Hide Belting. It will be remembered that one of the features of the Shultz sablerawhide belting is that it is tanned on the surfaces only, instead of allthe way through. Thispreserves an interior ofrawhide, retaining, it isclaimed, the originalstrength and greater dura-bility. A driving surfaceis also provided which tothe touch much resembleskid and is capable of ex-cellent contact with thepulley. The section of belt-ing shown herewith ismanufactured by theShultz Belting Company, of Stpatent. GROOVED RAW HIDE BELTING. Louis, and is called by this companygrooved sable rawhide belting. It is made of precisely the July, 1894.] THE STREET RAILWAY JOURNAL 467 same material as the Shultz sable rawhide belting, but also has groovesrunning lengthwise. These serve the purpose of channels to permitthe escape of air from between belt and pulleys, and to such a degreethat the air cushion is said to be overcome, making it possible for thebelt to run very nearly as slack as link belting: The grooves are keptconstantly clean by the current of air passing through them. It is alsopossible to run the belt satisfactorily with either slack top or bottom,and it is practically noiseless. This belt has been employed in thestation of the St. Louis Electric Light & Power Company for abouttwo years, where it has given excellent satisfaction. Portable Recording Wattmeter. The latest development in the electrical meter line is the new Thom-son portable recording wattmet
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
