■■^■^GUR N A L 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



.■•ndi tiUz.u 1 



THE ARTS. 



'■■ NOVEMBER, 1804, 



- :f 



ARTICLE I. 



Defcription of a Tallow Lamp, xvhich regulates its Supply hy a 

 ' fpontaneous Movement. By Mr, John WhitlkyBosw ell^ 

 Communicated by the Inventor, 



To Mr. NICHOLSON. 

 ' SIR, 



•1 HE conftant attention which candles demand frotn the'Defcrlptlonof a 



frequent fnuffing they require, and the conlinued variation^**™? fo*'»«'""S 



of their light in the intervals of this operation, on the one 



hand, and on the other the expence and trouble which oil 



lamps becafion, together with the difagreeable fcent they in 



gener-al proddce; have rendered the contrivance of a good 



lamp for burning 'tallow, a defirable obje6l to feveral for a 



Jong time. 



^ I hope, therefore, the defcription I fend of a lamp for this 



purpofe, which pofleiffes fome valuable properties; will be 



acceptable to you. 



The beft lamp for burning tallow which I had feen before 

 I contrived this, was one invented by Mr. March, of Barn- 

 llaple, in which the tallow kept continually melted in a veflTel 

 fufpended over the flame, was admitted by a fmall pipe to the 

 burner, and th.e fupply r'egulated by a kind of cock attached 

 ' Vol, lX:r-NovfiMBER, 1804. -^ - to 



