16 EXPERIMENTS ON THE CARBONIC 
August 4th, 1829 
EXPERIMENT DB. 
Filled the bottle again with air from a Field © 
adjoining the road between Manchester and 
Stretford, near to Old Trafford, and put in 
1 oz. measure of lime water; 5 oz. of which 
neutralized 27 gr. measures of test acid, when 
taken out again in 7 days, took 3.35 gr. mea- 
sures of test acid to neutralize it. 
This equals +, by weight and 4, by volume. 
July 28th, 1830. 
EXPERIMENT 6. 
This time the large bottle was filled with 
air at Cornbrook, and 500 gr. measures of 
lime water put in, and 500 of this lime water 
before going in took 5.5 gr. measures of test 
acid to neutralize it, and when it had been in 
2 days, having been well agitated, it took 3.8 
gr. measures of test acid to neutralize it. 
This equals by weight and +, by volume. 
