Journal of the Franklin Institute, 80. sējums;110. sējumsFranklin Institute, 1880 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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1.–5. rezultāts no 72.
22. lappuse
... quantities in English measures , and made from the French data . the following account , taking nothing from the original except the observed quantities therein given , and adding his own remarks : BOILER . ( See sketch ) . The boiler ...
... quantities in English measures , and made from the French data . the following account , taking nothing from the original except the observed quantities therein given , and adding his own remarks : BOILER . ( See sketch ) . The boiler ...
29. lappuse
... quantity of water fed into the boiler was previously measured in a tank with great accuracy , the temperature being noted every half hour . The steam , as fast as generated , was worked off by the engine , the boiler pressure being ...
... quantity of water fed into the boiler was previously measured in a tank with great accuracy , the temperature being noted every half hour . The steam , as fast as generated , was worked off by the engine , the boiler pressure being ...
30. lappuse
TOTAL QUANTITIES . BOILER . RATE OF COMBUSTION . VAPORIZATION . Economic . Absolute . Square feet of grate surface per square foot of draught area over bridge - walls , Square feet of water - heating surface grate surface , 11.0714 ...
TOTAL QUANTITIES . BOILER . RATE OF COMBUSTION . VAPORIZATION . Economic . Absolute . Square feet of grate surface per square foot of draught area over bridge - walls , Square feet of water - heating surface grate surface , 11.0714 ...
31. lappuse
... quantity of air inleaked , because the greater rate of combustion is necessarily associated with a less pressure ... quantity of hot gases to pass through the masonry flues in equal times , the per centum of loss by the inleaked air ...
... quantity of air inleaked , because the greater rate of combustion is necessarily associated with a less pressure ... quantity of hot gases to pass through the masonry flues in equal times , the per centum of loss by the inleaked air ...
32. lappuse
... quantity of heat . Were it possible for the gases of combustion to leave the boiler with the tem- perature of the atmosphere , there could , of course , be no economic loss . by any amount of air leaked in , for whatever heat was ...
... quantity of heat . Were it possible for the gases of combustion to leave the boiler with the tem- perature of the atmosphere , there could , of course , be no economic loss . by any amount of air leaked in , for whatever heat was ...
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acid Anthracite apparatus battery bobbin boiler bone oil carbon carbonic acid cent chamber coal gas combustion compression constructed containing cubic cylinder diameter dimensions drawing-roller dy dz dynamo-electric effect elastic elastic limit electric light employed experiments feet fibres Franklin Institute furnace gases gills give heating surface horizontal horse-power hour increase ingot iron jute length locomotive machine magnet manganese matter means mechanical ment metal metric metric system miles miles per hour millimetre minute motion nuts obtained ordinary oxide oxygen paraffine Patents Perkins Engine phosphorus pins piston placed plate pound of coal pounds per square practical pressure produced proportion quantity Rendus resistance revolutions per minute rollers screws selenium shaft shell side silica slag sliver speed square inch steam dome steam engine steel strain Sulphur temperature tion tons tubes valve vaporized velocity vertical vessel weight wheels wire