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230 Analyfis of the A'ir. 



ticity was deftroycd by the burning Candle. 

 As the air cooled and condenfed in the re- 

 ceiver, the water would continue rifing a- 

 bove that mark, not only till all was cool, 



but for 20 or 30 hours after that, which 



height it kept, tho' it flood many days; which £ofttf ' 

 fhews that the air did not recover the elafti- gfe ' 

 city which it had loft. tt{ 



The event was the fame, when for grea- ^ 

 ter accuracy I repeated this Experiment by ^ h | 

 lighting the Candle after it was placed un- 

 der the receiver, by means of a burning glafs, 

 which fet fire to a fmall piece of brown pa- 

 per fixed to the wick of the Candle, which 

 paper had been fir ft dipped in a ftrong folu- 

 tion of Nitre in Water, and when well*"" 1 

 dryed, part of it was dipped in melted Brim- 

 ft one i it will alfo light the Candle without » if 

 being dipped in Brimftone. Dr. Mayow,*!** 

 found the bulk of the air leffened by 3 x o part, t* * 

 but docs not mention the fize of the glafs *«j 



vcflel under which he put the lighted Can- 



die, <De Sp. Nitro-aereo. p. 101. The capa- 

 city of the veflcl above z z, in which the *C^ 

 Candle burnt in my Experiment, was equal 3^ ^ 

 to 2024. cubick inches j and the elafticity of r% _ 



the * 6 part of this air was deftroyed. 



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