. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . on the tappet t, which, like thetappet s, is formed on the short spindlej, and it will be seen from the engrav-ing that, by turning this spindle, eitherof the cams g or i can be brought intooperation at pleasure, the spindle i beingsecured in the required position by theset screw g. In the engraving the cam gis shown in gear. When the cam i is in use, the amount of opening given to the throttle-valve ofcourse depends upon the diameter of that portion of the
. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . on the tappet t, which, like thetappet s, is formed on the short spindlej, and it will be seen from the engrav-ing that, by turning this spindle, eitherof the cams g or i can be brought intooperation at pleasure, the spindle i beingsecured in the required position by theset screw g. In the engraving the cam gis shown in gear. When the cam i is in use, the amount of opening given to the throttle-valve ofcourse depends upon the diameter of that portion of the cam which bears against the tappet i, thisopening remaining constant throughout the whole revolution of the governor, so long as the. ballsdo not alter their position. The too rapid movement of the governor-balls is prevented by a pistonattached to the sliding collar /, and made to work in the air-cylinder I, this cylinder being furnishedwith a passage at p, leading from one end to the other. The sectional area of. this passage, andconsequently the facility with which air can be transferred from one side of the piston to the other,. 3317. GRAPHIC DIAGRAM. 1703 can be varied by means of the screw w, and by this means the speed with which an alteration inthe positions of the balls can take place can be regulated. See Angular Motion. Beake, p. 662. Details op Engines. Engines, Varieties of.]\Iaeine Engine. Pumps and Puüiping Engines. GKAPHIO DIAGKAM. Fe., Diagram graphique; Gee., Graphisches Diagram; Ital., Dia-gramma ; Span., Diagrama gráfico. The method of scientific analysis or investigation, in which the relations or laws involved intabular numbers are represented to the eye by means of diagrams, is termed the graphic method ;and, in such cases, the diagrams employed are called gi-aphic diagrams. It is necessary here todescribe the ordinary graphic diagram in which, when employed to show the daily changes of theweather, the abscissas of the curve represent the hours of the
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Keywords: ., bookcentury1800, bookdecade1870, bookidsp, booksubjectengineering
