250 ESSAYS anv OBSERVATIONS 
dram of o/. tart. per deliquium to faturate 
it; if the diftillation had been continued 
with a very violent heat, there would have 
come over more alkaline fpirit with the 
pitchy oil: The quantity of oi] that came 
over was two drams and an half; it coa- 
gulates in the cold, and melts with a fmalf 
heat. ‘There remained in the retort two 
ounces of coal; which being carefully 
burnt in a crucible, left eleven drams and 
a few grains of fine yellow afhes. 
THAT it may appear how far the Scots 
and Dutch peats agree, I {hall next give the 
analyfis of fome Dutch peat madeby Deg- 
ner. He took twenty four ounces of peat, 
which being firft reduced to a powder; and 
then put in aretort, yielded, by a gentle 
diftillation, a good quantity of infipid 
phlegm, with an empyreumatical fmell. 
This being taken away, there followed next 
a yellow fpirit, and about the neck of the 
retort, remained fticking a certain white 
unctuous earth, refembling a volatile falt. 
The degree of heat being increafed, there 
came forth a white fmoke, with which a 
red oil rifing at the fame time, was collect- | 
ed 
