PHYSICAL anv LITERARY. 253 
tinguifhed; fo it muft be frequently kin- 
dled before it wholly confumes, 
THE cinder that remained in the retort, 
being put in the fire, in a fhort time turn- 
ed red, and immediately, without fmoke 
or flame, fell into grey.afhes, nothing dif- 
ferent from ordinary peat-afhes. Thefe 
adhes contain lefs falt than thofe of wood, 
All peat-afhgs do nat yield the fame quan- 
tity of falt, but differ according to the 
quality of the peat. From a pound of 
Dutch afhes. Degner, after boiling, filtra- 
ting, and infpiffating in the ordinary 
way, obtained only half an ounce of a 
redifh impure falt, mixed with much earth: 
From other peats, that leave after burning 
a red afh, and that were taken from drier 
ground, he had an ounce of a redifh im- 
pure falt. | 
Tuts falt, he fays, has rather a faline 
than alkaline tafte; and, when expofed to 
the open air, runs flowly, after the man- 
mer of fuch faline lixivious fale. Being 
: diffolved in water and mixed with oil of 
vitriol, it becomes turbid, with a finail 
bubbling up. With fixed fale, or fpirit 
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