VOL. XVIII.] 



PHILOSOPHICAL TRANSACTIONS. 



663 



A Catalogue of those Oils that will take Fire with a great Noise and Explosion 

 when the Compound Spirit of Nitre is poured upon any of them ; and of those 

 Oils that only make a great Noise with Explosion, but will not take Fire ; and 

 also of those that do not make either Effervescence or Explosion. The first is 

 marked with two Stars * *. The second with one *. The last has no mark 



at all. 

 Oils. 



Vegeta- 

 ble. 



By Dr. Fred. Slare. N" 213, p. 200. 

 r Essential. 

 r Perfect stillations made by the ana- fCarui ** 

 ) lysis of chemical fires, where the ] Cummin * 

 j oleaginous particles are truly se- ] Fennel * 

 ' parated from all other, |. Dills * 



f Light, or ethereal, which are spe- "1 

 cifically lighter than water and ) Bay * 

 brandy, and some than spirit of [Juniper * 

 wine, and are usually drawn from J 



^Seeds. 



iBerries. 



the seeds of vegetables: such as 

 from 



■"Ponderous or heavy, which do 



commonly sink in water, being 

 distilled from the heavy parts 

 either of the wood or cortex of 

 . trees. Such as from -f- 



■ Thyme * 



Wormwood * 



Angelica * 



Hyssop * 



Lavender * 

 I Rosemary * 



Penny-royal * 



Rue * 



Sage * 



Savin * 



Tops of 

 Plants. 



.Not Essential 



f Imperfect, made by expression, i einons ^ 



} which are decompounded of 'S xj .^ ^^ 



^ several parts of the plants, / p, ^f ^ 



►Fruits. 



•Wood. 



C Sassafras ** 

 , ) Guaiacum ** 

 T J Box** 

 vCamphlre ** 

 • Jamaica Pepper** Icortex. 

 Cinnamon ** J 



r Almonds"^ T 



As of«^ Olives >Fruits. j 



(Walnuts) f 



? Hartshorn ** 

 f SolidParts-^ Man's skull ** 

 Animal of > { Hoofs ** 



I Fluids, Human blood ** 



r Amber or Succinum. 



MineralofJP-^t;:''^"'- 



I Barbadoes tar. 



l^ Bees wax. 



Spirit of wine will give some flashes of fire. 



body ma-ie with oil of turpentine and brimstone, if not too thick, will tiame. 



f You have Iv; sons of oils that make ebuUidon, explosion, and flame ; 18, ebullition and explosion 



without flaine ; 4 that produce neitherj by tlie muture of our compound spirit of nitre. 



Balsam of sulphur, a compound 



