INDEX. i5&i 



PACE. 



the/orce of steam in air, 571 — on evaporation, 51 \ — 



on the expansion of elastic fluids by heat, - - 595 



Detonation of oxygenated muriate of potasli and 

 combustible substances, _ . . 233 



Dc-ic, estimate of the annual quantity of, 350 — on 

 glass, 8ic. a criterion of the force and quantity of aque- 

 ous vapour in the atmosphere, - - - 582 



Distillation of ardent spirit, on the, - - 24-3 



E 

 , Ether (sulphuric), vapour from it subject to the same 

 law of force as that from water, 365 — force of its 

 vapour at 212° of temperature, 567 — evaporation of it 

 in the open air, - - - - - 590 



Evaporation, mean monthly from water, at Liver- 

 pool, 359 — mean monthly from green ground, at.Man- 

 cbester, 361 — from water in every temperature is 

 directly proportional to the force of steam of the same 

 temperature, 580 — -table for determining it in atmos- 

 plieric temperatures, 585 — from spirits, ether, &c. 

 follows the same law as from water, 590 — from ice, 

 also is subject to the same law, 593 — from water, at 

 Manchester, for 3 years, . - _ - gyo 



Expansion of elastic fluids by heat, 595 — is the 

 same for all elastic fluids, contrary to the experiments 

 of du Vernoisj 600 — amounts to 325 parts from 1000 

 from 55° to 2 12°, ibid. — increments of it decrease in as- 

 peuding, compared with equal increments of mercury, 599 



F -. 



Ferment atioTi, expCTiments and observations on, - 243 



Fetns (acephalous), account of one, 498 — another, 502 



Forces (central), inverse method of, - - 102 



