 | Robert Kane - 1844 - 438 oldal
...the water boiled away by one pound of such turf is reduced to four pounds and a quarter. The loss-is here 30 per cent. ; a proportion which makes all the...water, which reduces its calorific power 12 per cent. ; one pound of such turf evaporating five and one-third pounds of water. This effect is sufficient,... | |
 | Robert Kane - 1845 - 550 oldal
...and hence the water boiled away by one pound of such turf is reduced to four pounds and a quarter. The loss is here 30 per cent. ; a proportion which...water, which reduces its calorific power 12 per cent.; one pound of such turf evaporating five and one-third pounds of water. This effect is sufficient, however,... | |
 | Andrew Ure - 1853 - 1034 oldal
...and one almost unfit for use. When turf is dried in the air under cover it still retains one tenth of its weight of water, which reduces its calorific...power 12 per cent, 1 Ib. of such turf evaporating .'.'. !Ьч. of water. This cllect is sufficient, however, for the great majority of objects ; the... | |
 | John Percy - 1861 - 666 oldal
...usual to find the turf of commerce containing one-fourth of its weight of water ; and that when it is dried in the air, under cover, it still retains one-tenth of its weight. 4.8 Light surface peat, of a pale reddish-brown colour, containing .small roots of Erica (heath) and... | |
 | Andrew Ure - 1867 - 1144 oldal
...fuel ami one almost unfit for use. When turf is dried in the air undercover it still retains one tenth of its weight of water, which reduces its calorific...expensive, and too troublesome to be used, except in special cases. The characteristic fault of turf as a fuel is its want of density, which renders it... | |
 | John Percy - 1875 - 658 oldal
...to find the peat or turf of commerce containing one-fourth of its weight of water ; and that when it is dried in the air, under cover, it still retains one-tenth of its weight. 4.5 Light surface peat, of a pale reddish-brown colour, containing small roots of heath (Erica) and... | |
 | Charles Edward Groves, William Thorp, William Joseph Dibdin - 1889 - 850 oldal
...of this it must first evaporate the \ Ib. contained in its mass, and hence the water boiled away by such turf is reduced to 4^ Ibs. The loss is here 30...weight of water, which reduces its calorific power 1 2 per cent. ; i Ib. of such turf evaporates 5^ Ibs. water. This effect is sufficient, however, for... | |
 | Charles Edward Groves - 1889 - 862 oldal
...of this it must first evaporate the ^ Ib. contained in its mass, and hence the water boiled away by such turf is reduced to 4^ Ibs. The loss is here 30...weight of water, which reduces its calorific power 1 2 per cent. ; l Ib. of such turf evaporates 5^ lbs< water. This effect is sufficient, however, for... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - 1892 - 302 oldal
...which makes all the difference between a good fuel and one almost unfit for use. When turf is dried under cover it still retains one-tenth of its weight...water, which reduces its calorific power 12 per cent., one pound of such turf evaporating 5J pounds of water. This effect is sufficient however for the great... | |
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The loss is here 30 per cent., a proportion which makes all the difference between a good fuel and one almost unfit for use. When turf is dried in the air, under cover, it still retains one-tenth of its weight of water, which reduces its calorific power... 
