FUEL. 121 



TABLE, showing the heating power of different combustibles. 



Lbs. of water heated 1< 

 Designation. by 1 Ib. of substance. 



Alcohol 1 1,000 



Olive Oil 14,500 



Beeswax 14,000 



Tallow 15,000 



Oak, seasoned. 4,600 



" kiln-dried 5,960 



Pine, seasoned 5,466 



Lbs. of water heated 1 

 Designation. by 1 Ib. of substance. 



Coal, Newcastle 9, 230 



" Welsh 11,840 



" Anthracite 9, 560 



" Cannel 9,000 



Coke 9,110 



Peat 3,250 



TABLE, showing the effects of heat upon certain bodies. 



Designation. Fahrenheit. 



Gold melts 1983 



Silver " 1850" 



Copper " 2160 : 



Brass " 190<> 



Iron, red hot in daylight 1077 3 



twilight 884 



Common fire 790 



Zinc melts 740 



Quicksilver boils 630 



Linseed Oil " 600 



Lead melts 694 



Bismuth melts 476 



Tin and Bismuth, equal parts, 



melts.. 283 



Designation. Fahrenheit. 



Tin melts 421 



Water boils 212 



Alcohol " 175 



Ether 93 



Heat of human blood 98 



Water freezes 32 



Strong wine freezes 20 



Brandy ' 7 



Mercury " 39 



Greatest cold ev^er produced*. . 220 



Snow and salt, equal parts 



Acetous fermentation begins... 78 



ends.... 88 ? 



Phosphorus burns 68 



TABLE, showing the relative value of the following fuels by 



weight. 



Designation. Value. 



Seasoned oak 125 



Oak, kiln-dried 140 



Hickory 137 



White pine 137 



Yellow pine 145 



Good Coke. . . 285 



Designation. Value. 



Charcoal 285 



Peat 115 



Welsh coal 312 



Newcastle " 309 



Anthracite "' ... 250 



* The lowest temperature hitherto attained, 220, is produced by evaporat- 

 ing in vacuo a mixture of solid (condensed) protoxide of nitrogen, carbonic 

 acid, and bisulphide of carbon. 



6 



