Index. 827 



Experiments on economy of fuel iii, 8, 69-119. 



force of fired gunpowder i, 98-172. 



gunpowder . i, 1-97. 



heat developed in combustion of vari- 

 ous substances - ii, 380-407. 



heat developed in combustion of wood . . ii, 468. 



heat developed in condensation of vapours ii, 417. 



heat excited by friction i, 475-488. 



heat, historical review of ii, 188-240. 



heat produced by solar light ii, 158. 



laws of diminution of intensity of light . . iv, 19. 



light manifested in combustion . . iv, 214-228. 



loss of light by reflection iv, 30. 



in passing through glass . . iv, 27. 



mode of propagation of heat in liquids 



(with plate) ii, 278-284. 



non-conducting property of steam . . . .iii, 52. 



production of air from water . . . i, 191-231. 



propagation of heat in fluids (with 



plates) i, 250-262, 275-307, 34i~35 8 > 385-398, 



425-435- 

 propagation of heat in a Torricellian 



vacuum i, 407-424. 



propagation of heat in various solid 



substances i, 438-468. 



quantities of moisture absorbed by 



various substances i, 232-236. 



resistance of air to light iv, 20-27. 



specific heat of various substances . . . ii, 191. 

 spontaneous mixture of liquids . . ii, 318-323. 

 temperature of water at its maximum 



density (with plate) ii, 258-273. 



weight ascribed to heat ii, 1-22. 



wood and charcoal ii, 362-369. 



FEEDING the poor at Munich iv, 277. 



Essay on iv, 395-490. 



Felloes, advantage of employing wheels with broad . iv, 661-678. 



Field artillery, attempts to improve i, 173-190. 



Fire, a good, in a bad grate ii, 347. 



