g3,g ON SPONTANEOUS INFLAMMATIONS, 



ny other oil, drying in itfelf, or rendered fo by oxide of lead, 

 is employed in the preparation of thefe fluffs. 



In the manufafture of cloths, only olive oil, or oil of colza, 

 ftiould be ufed to greafe the wool. 



It fometimes happens on boiling flowers and herbs in oil, 

 which occurs in feveral pharmaceutical operations, that, after 

 being taken out, the herbs dried in the oil inflame fponta- 

 neoufly : care ihould therefore be taken when thefe herbs 

 are thrown away, not to heap them near other combuftible 

 bodies. 



There have been feveral examples of veffels having been 

 burnt in fea-ports, either by the fpontaneous combuftion of 

 heaps of cordage coated with tar, or by a mixture of linfeed 

 oil boiled with lamp-black> and inclofed in a bag. 



6. Tlie boiling of oily Matters. 



Fire from boiling In the preparation of fome varnilhes, fuch as printers* ink, 

 oily matters ; j^ which linfeed-oil, boiled to a certain contiftence, is gene- 

 rally made ufe of, it frequently happens that the oil takes fire, 

 unlefs the neceflTary precautions are employed : the fame efFefl 

 lakes place in melting butter, lard, or any other greafe, if they 

 are heated too much ; fo that, in thefe operations, it is always 

 neceflary to remove every other combuftible fubftance, to have 

 a lid at hand to cover the velTel as foon as the fire has caught, 

 and particularly to take care not to pour water upon it, which 

 inftead of extinguilhing it, would fpread it more and give it 

 greater a<5tivity. 



7. Torrefa6tion. 



and from roafted Tliere are many vegetable fubftances which Increafe their 

 vegetable tub- power of inflaming fponlaneoufly by torrefaclion, if they are 

 inclofed in facks of cloth, which leave them in conta6t with 

 the furrounding air; fuch are faw-duft, roafted coffee, the 

 meal of grain, and leguminous fruits, fuch as French beans, 

 lentils, peafe, S^c. 



There have been feveral inftances of ftables having taken 

 fire from a bag of roafted bran which had been applied to the 

 neck of a tick animal, and had inflamed fpontaneoufly. The 

 inhabitants of the country who, in fome diforders of theic 

 beafts, are obftinate ia applying this remedy, to which others 



