. The Ontario high school physics. Fig. 285.—Freezings of carbon-dioxideby evaporation from the liquid 258 CHANGE OF STATE. Fioi 286.—Ice-making machine. G, hig-h-pressure gauge ;(?,, low-pressure gauge; A, pump for exhausting low-pressure coils and condensing gas; B, condenser coils sponged with volatile liquids to reduce temperature. Ethersprays are used for freezing material for microscopic is also utilized in making artificial ice, in coolingcold-storage buildings, and in freezing shifting quicksands forengineering purposes. The liquid most commonly used for the latter
. The Ontario high school physics. Fig. 285.—Freezings of carbon-dioxideby evaporation from the liquid 258 CHANGE OF STATE. Fioi 286.—Ice-making machine. G, hig-h-pressure gauge ;(?,, low-pressure gauge; A, pump for exhausting low-pressure coils and condensing gas; B, condenser coils sponged with volatile liquids to reduce temperature. Ethersprays are used for freezing material for microscopic is also utilized in making artificial ice, in coolingcold-storage buildings, and in freezing shifting quicksands forengineering purposes. The liquid most commonly used for the latter purposes V)?ii{iilliiilli!l{;i,!Mlll is ammonia liquefied Kijljliiii .i!!.;iii!i!a il ^ . by pressure. This isconvenient for thepurpose because thegas liquefies at or-dinary temperatureunder relatively cooled by running water from a pipe placed above them; moderate DrCSSUre F, regulating valve; />, low-pressure coils; C, tank con- -T taining brine; E, can containing water to be frozen. (^about 10 atmOS- pheres), and it absorbs a great amount of heat in 286 shows the essential parts of an ice-m
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectphysics
