Index. 827 



Experiments on economy of fuel 111,8,69-119 



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, 475-4 



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-358> 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 



