. The railroad and engineering journal . ough B in the direction of the arrows. Thus, if the totaloutlet areas of the nozzle be adjusted to one-sixth of a squareinch, it is stated that the air current through B will be no lessthan from 70,000 to 80,000 cub. ft. per hour, or say sufficient toventilate a room containing 50 persons, allowing the very amplevolume of 25 cub. ft. per minute for each person. The small pitor chamber A collects any water arising from condensed steamor rain, and which ultimately escapes by the waste pipe. Aspecial feature of the system is the employment of low-pressures
. The railroad and engineering journal . ough B in the direction of the arrows. Thus, if the totaloutlet areas of the nozzle be adjusted to one-sixth of a squareinch, it is stated that the air current through B will be no lessthan from 70,000 to 80,000 cub. ft. per hour, or say sufficient toventilate a room containing 50 persons, allowing the very amplevolume of 25 cub. ft. per minute for each person. The small pitor chamber A collects any water arising from condensed steamor rain, and which ultimately escapes by the waste pipe. Aspecial feature of the system is the employment of low-pressuresteam, which experiments have shown to be a great economicadvantage.—Iron, Vol. LXV, No. 12.] ENGINEERING JOURNAL. 577 A Triple-Screw River Boat.—The accompanying sketchesshow a triple-screw river boat, designed for work on shallowstreams in India, by Mr. Hugh Dunsmuir, of Govan, boat is go ft. long, 20 ft. beam and n ft. 6 in. deep ; shedraws 32^ in. with coal and passengers only, and 38^ in. witha deck load of
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
