. The street railway review . he dampening of thesand in the Ih>x by moisturefollowing up the .sand the air sander a shelf i>provided in the upper part ofthe l)ox which prevents thesand from packing in the bot-tom over the air jet, and nn-derneaih this shelf is an emptyspace from which a pipe ex-lends up through the car pipe acts as a chimney orescape for any moisture andhas been found to overcomeone of the greatest troubledwith air sanders. riie illustration also showsthe Ham companys device forsanding the rails on curves. The Stuart-Howland Co. is Boston agent for t
. The street railway review . he dampening of thesand in the Ih>x by moisturefollowing up the .sand the air sander a shelf i>provided in the upper part ofthe l)ox which prevents thesand from packing in the bot-tom over the air jet, and nn-derneaih this shelf is an emptyspace from which a pipe ex-lends up through the car pipe acts as a chimney orescape for any moisture andhas been found to overcomeone of the greatest troubledwith air sanders. riie illustration also showsthe Ham companys device forsanding the rails on curves. The Stuart-Howland Co. is Boston agent for the sand boxes amiother specialties of the Ham Sand Hox Co. Self-Coiitained Crossings. riu- accompanying illustration shows, a self-contained crossing,built by the Indianapolis Switch & Frog Co., which is especially de-signed to meet the requirements of heavy traffic for steam andinterurban lines. It is constructed so that each section of the crnsslng i-i by ihi- , ihcrcby rt-lu-viiie b<- ; mid. .AIR s.\xi>1:r
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
