Canadian machinery and metalworking (July-December 1917) . 78 287c 297c 307c 317c 327o 337c 347c 35% 367c 377c 38%, 39% 407, 417c 427c 45% 44% 45%, 46% 477c 487c 497c 50% The value for intermediate percent-ages may be obtained by interpolationwithout any serious error. The table given only extends as faras half the diameter but can readily beextended the whole way by any readerwho wishes to use it. For example as-suming that it is bein
Canadian machinery and metalworking (July-December 1917) . 78 287c 297c 307c 317c 327o 337c 347c 35% 367c 377c 38%, 39% 407, 417c 427c 45% 44% 45%, 46% 477c 487c 497c 50% The value for intermediate percent-ages may be obtained by interpolationwithout any serious error. The table given only extends as faras half the diameter but can readily beextended the whole way by any readerwho wishes to use it. For example as-suming that it is being used for estimat-ing the liquid actually in tank, and thepercentage of the diameter thus countedstarts from the bottom, then 51 percent, from the bottom is 49 per cent,from the top, subtracting from unitythe fraction of the capacity represent- ing the top 49 per cent, viz., , 51per cent., of the diameter is found to re-present of the capacity, 52 percent, is 1— or of the capa-city, 53 per cent. 1— or so DIAGRAM OF CYLINDRICAL TANKCAPACITIES. Referring to the diagram which repre-sents one of the circular ends standingvertically, if the surface of the liquidis at AB, then the tank is half full, OYbeing 50 per cent, of the diameter it stands at CD the tank of its capacity, PY being 30 percent, of the diameter XY. When morethan half full, proceeding as alreadyshown, at EF the tank is 1— fullas XR is 47 per cent, of the diameters,and at GH it is 1— or full,as XS is 20 per cent, of the diameterXY. White Castings for Motor-car Work.—A mixture which has given satisfactionfor motor-car fittings and which can bepolished the same as nickel-platedwork, is as follows: Copper, 50 lbs.;zinc, 35 lbs.; nickel, 15 lbs.; aluminum, 2oz. The copper may be increased to 55lbs., when the resulting castings are re-quired to be very hard and white.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
