Journal of the Franklin Institute, Volume 80; Volume 110Franklin 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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Page 142
... units ) per minute , and that such a heat would probably be sufficient to decompose any of the metalloids which are really compound bodies.- Les Mondes . C. An Intensified Electro - Magnet . - Dr . Stone recently exhibited before the ...
... units ) per minute , and that such a heat would probably be sufficient to decompose any of the metalloids which are really compound bodies.- Les Mondes . C. An Intensified Electro - Magnet . - Dr . Stone recently exhibited before the ...
Page 165
... unit of heat 772 foot pounds one horse - power = 2565 units of heat per hour , and 2565 รท 380 gives 62 units of heat per candle . " From which it appears that the theoretic expenditure of heat ( or force ) in producing gaslight is to ...
... unit of heat 772 foot pounds one horse - power = 2565 units of heat per hour , and 2565 รท 380 gives 62 units of heat per candle . " From which it appears that the theoretic expenditure of heat ( or force ) in producing gaslight is to ...
Page 166
... units to the pound = 1000 units ( total deduction 8800 ) , we have 6200 units as the value of the fuel which yielded 4 cubic feet of gas . And , as before , taking each cubic foot of gas as evolving three candles of light , it follows ...
... units to the pound = 1000 units ( total deduction 8800 ) , we have 6200 units as the value of the fuel which yielded 4 cubic feet of gas . And , as before , taking each cubic foot of gas as evolving three candles of light , it follows ...
Page 167
... units of heat , in fact , needful to produce each candle . Our previous figures have given 230 units of heat as what would proceed from the best consumption of coal gas capable of pro- ducing one candle's light , and consequently the ...
... units of heat , in fact , needful to produce each candle . Our previous figures have given 230 units of heat as what would proceed from the best consumption of coal gas capable of pro- ducing one candle's light , and consequently the ...
Page 256
... unit length of air is probably greater than that of ordinary lightning itself . It completely deflagrates 2 inches of the platinum wire , but by increasing the length of the wire it could be made to reproduce all the different phases of ...
... unit length of air is probably greater than that of ordinary lightning itself . It completely deflagrates 2 inches of the platinum wire , but by increasing the length of the wire it could be made to reproduce all the different phases of ...
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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