INDEX. 
F page 
Fer oligiste, on the iron ore so called, - - 336 
oxtdule , on the iron ore so called, - - 337 
Flosferri , remarks on, - - - 330 
Friction , its effects on the specific gravity of gold, - 124 
— on the different kinds to which gold coin is exposed, 138 
• description of some instruments for trying its effects, 140 
experiments on the wear caused by it, - - 148 
Frigate t accounts of the sinking and recovery of one, - 321 
Galls , on the infusions of them, - - 239 
Garbetls , Messrs. Extract from their report concerning gold coin, 135 
Gas , on the quantity of gases absorbed by water, - 29, 274 
on the absorption of gases under the pressure of the atmosphere, 30 
on the influence of pressure in promoting the absorption of 
39 
33> 2 74 
36, 274 
36, 2 75 
37, 27 6 
37, 2 76 
37, 27 6 
37, 276 
37 , 2 7 6 
37, 2 76 
37, 276 
345 
gases, - - - 
carbonic acid , on its absorption by water, 
sulphuretted hydrogen , on its absorption by water, 
— — nitrous oxide , on its absorption by water, 
— nitrous , on its absorption by water, 
. . oxygenous , on its absorption by water, 
phosphuretted hydrogen , on its absorption by water, 
gaseous oxide of carbon^ on its absorption by water, 
— carburxtted hydrogen , on its absorption by water, 
azotic , on its absorption by water, 
— — hydrogen , on its absorption by water, 
Geminorum «, on its motion. 
Gold , on its various alloys, specific gravity, and comparative wear, 43 
on its various alloys, 
effects of arsenic on it, 
— — effects of antimony on it, 
effects of zinc on it, 
. effects of cobalt on it, 
effects of nickel on it, 
— — effects of manganese on it, 
— — effects of bismuth on it, 
effects of lead on it, - 
• effects of tin on it, 
— — effects of iron on it. 
3X 
40 
47> 93 
53. 93 
57 > 93 
59 
- 61 
62 
66, 93, 104 
% 93. 104 
7 2 > 93 
7 7s 93 
MDCCCIH. 
