% ii Analyjis of the Air. 



air ; when the weather turned warmer, it was 

 generated again, which was again reforbed 

 when it grew cool. 



One fourth of a cubick inch of filings of 

 Iron, and a cubick inch of oil of Vitriol, with 

 three times its quantity of water, generated 

 1 08 cubick inches of air. 



Filings of Iron, with fpirit of Nitre, either 

 with an equal quantity of water, or without 

 water, abfojbed air, but mofl without water. 



One fourth of a cubick inch of filings of 

 Iron, and a cubick inch of Limon-juice, ab- 

 forbed two cubick inches of air. 



Experiment XCV. 



Half a cubick inch ofjpirits of Harts- 

 horn, with filings of Iron, abforbed 1 -j- i. 

 cubick inches of air, with filings of Copper, 

 double that quantity of air, and made a very 

 deep blue tinfture, which it retained long, 

 when expofed to the open air. It was the 

 fame with fpirit of Sal Armoniac, and filings 

 of Copper. 



A quarter of a cubick inch of filings of 

 Iron, with a cubick inch of powdered Brim- 

 ftone, made into a pafle with a little water, 

 abforbed 19 cubick inches of air in two days. 



N.B. 



