Index, 835 



Munich, kitchen of House of Correction (plate) . . . . iii, 216. 



Military Academy (plate) iii, 220. 



Military Hospital (plate) iii, 219. 



Military Academy iv, 493-496. 



Workhouse iv, 293. 



subscriptions for relief of the poor . . . iv, 251, 268, 518. 



Naphtha, capacity of, for heat ii, 433. 



heat developed in combustion of ii, 401. 



Nature, explanation of interesting phenomena and 



arrangements in . . i, 262, 312-333, 429,464; ii, 129, 184, 251, 



297, 310 



Nature of heat and mode of its communication . . ii, 22-130 



practical application of knowledge of . . ii, 126 



Naval architecture, Stalkartt's, extract from . . . iv, 679-691 



Negroes bear heat better than whites ii, 77, 184, 



Nitrogen, capacity of, for heat diminished by eleva- 

 tion of temperature ii, 412, 415 



Nitrous air used in eudiometry i, 193 



Non-conductors of heat iii, 44 



Ocean currents i, 329 



Oil, amount consumed by Argand's and other lamps . . . iv, 33 



a non-conductor of heat ij 342 



heat produced in combustion of ii, 382 



linseed, capacity for heat of ii, 430 



quantity consumed in production of light . . iv, -li^ 



olive, bleached by exposure to air i, 390 



capacity for heat of ii, 433 



rape, quantity consumed in production of light . . . iv, 38 



Oils, essential, reduce gold and silver iv, 90,91 



Oven, expense of fitting up a small iii, 244 



for the poor iii, 237 



perpetual iii, 145 



Ovens, description and management of, iii, 145, 237, 240, 314-325 



Paper, strength of ii, 330 



Passage of heat through air, manner of iii, 48 



thermometer .\, 334, 439 ; ii, 199 



Pellicle at surfaces of liquids, existence of . . .11,292,305,314 



