C 3 
A N 
I N D 
TO THE 
EIGHTY-FIRST 
OF THE 
PHILOSOPHICAL TRANSACTIONS. 
A. 
B S T RA CT of a regifler of the barometer, thermometer, and rain, at Lyndon 
in Rutlandlhire, for the year 1789, p. 89, 
Account of fome appearances attending the converfion of call into malleable iron, p. 173. 
Acid , nitrous, though confining of the fame elements with pure water, contains a 
greater proportion of dephlogiflicated air, p. 219. Phofphoric acid, an ingredient in 
James’s powder, p. 34^. 
Air , extreme moiflure exifts in, p. 19. The maximum of evaporation in a mafs of 
inclofed air, far from being identical with the maximum of moiflure, p. 20. Obfer- 
vation on the production of heavy inflammable air, p. 176. Fixed air contains a 
much larger portion of oxygene than of charcoal, p. 177. Obfervations on the de" 
compofition of fixed air, p. 182. Fixed air produced by charcoal, ibid. Vital air 
more flrongly attracted by charcoal than by phofphorus, p. 183. Experiments 
relating to the decompofltion of dephlogiflicated and inflammable airs, p. 213. In- 
flammable air procured from iron by means of fleam, p. 216. Nitrous acid, though 
confifting of the fame elements with pure water, contains a greater proportion of 
dephlogiflicated air, p.219. In a ftagnant air every evaporating fubftance has an 
atmofphere of extreme moiflure, p. 403. 
Aktholf 
E X 
VOLUME 
