Morey on Mineral Waters, &c. 95 
Atis well known, that the vapour of water, in passin 
through ignited charcoal, is decomposed. If the product is 
made to pass through water, the carbonic ape gas is ab- 
price and the hydrogen. is'so far separated, as to be at 
ommand for furnishing light, filling balloons, or i i -pur- 
ieee If water be composed of 85 parts of oxygen and’ 
15 of hydrogen,*. and. carbonic, acid gas of about 28. of . 
carbon, in the, 100; one poundiof charcoal and not far 
from four of water, ought to give something like two hun- | 
dred and fifty gallons. of carbonic acid gas, or enough to 
Supply that quantity of as nearly strongly. ae 
mineral water as is to be found nd in nature ;} an ee 
fee pe ss or al ren cubic aor Slee 
e very anaprenon eenarayer of spirit o ae oe ning other 
sabseaes will be required to make the flame white. These 
gases, as formed, may be forced into the aqueduct of a lim- 
ited quantity of water, to be conveyed along with it to some - 
desirable situation ‘to be let out for use. The quantity of 
water let in will depend on the quantity of mineral water 
wanted. | ie a flame be applied to the surface of these 
fountains, € pydtiogen se oa fire and burns on the » sure 
face of the water : thereby, perhaps, exposing some-of nd. 
rtsnis. bedsien op Lie Baleatieb sg: 
In this dh operations: Eiuies, and sf petra pasa ne. 
for cma ach yet Spears supplied with a pleasant, healthy 
drink, and at the same time, and from the same materials, 
po Tehted. There must be an addition of some 
kinds of fuel, to sere the ead. heat of the charcoal, and 
to. seaports the water. Lb 
me chert: t 
i ee sera 
uc wot ¥ rn peer uima aste and smell ta 
nanan be pron aes x an empyre ee = ie 
