INDEX. 
the force of steam in air, 571—on evaporation, 574— 
on the expansion of elastic fluids by heat, —- 2 
" Detonation of oxygenated muriate of potash and 
combustible substances, - = é 
‘Dew, estimate of the annual quantity of, 350—on 
glass, &c. a criterion of the force and quantity of aque- 
ous vapour in the atmosphere, ~~ : L ¥ 
Distillation of ardent spirit, on the, - ig 
E 
_ Ether (sulphuric), vapour from it subject to the same 
Jaw of force as that from water, 365—force of its 
vapour at 212° of temperature, 567—evaporation of it 
in the open air, - - - - - 
Evaporation, mean monthly from water, at Liver- 
pool, 359—mean monthly from green ground, at Man- 
chester, 361—from water in every temperature is 
directly proportional to the force of steam of the same 
temperature, 58¢—table for determining it in atmos- 
pheric 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 
Manchesier, for 3 years, - - - a 
Expansion of elastic fluids by heat, 595—is the 
same for all elastic fluids, contrary to the experiments 
of du_Vernois, 600—amounts to 325 parts from 1000 
from 55° to 212°, ibid.—increments of it decrease in as- 
gending, compared with equal increments of mercury, 
; 
Fermentation, experiments and observations on, = =” 
‘Fetus (acephalous), account of one, 498—another, 
Forces (central), ‘inverse method of, Ne a 
, 
FO. Ve -« BBE 
695 
PAGE, 
595 
233 
582 
243 
590 
670 
599 
