496 



Index. 



Radiation, its possible nature, 370. 

 Bay vibrations, thoughts on, 366. 



of fluids, 352. 



Regelation, 373, 377. 



, its cause, 373, 378. 



Rhodium and polarized light, 440. 



- film, 409. 



Ruby glass, its nature, 428, 433, 434. 

 Ruby gold and jelly, 433. 

 Ruby gold fluid, 411. 



, prepared, 412, 419. 



, tested, 413. 



Salt acids, &c. excluded from ice, 373. 

 Salts, their effects on gold particles, 419. 

 Sesquichloride of carbon, 53. 

 Shadows of clouds, radiant, 215. 

 Silico-borate of lead glass, 240, 245. 

 Silver in steel, 64, 71. 



solution in ammonia, 13. 



film, 409. 



affected by heat, 398. 



affected by pressure, 399. 



and polarized light, 440. 



Sounds of flame in tubes, 21. 



Sound produced during conduction of 



heat, 311. 

 Steel, aUoys of, 57, 68. 



and platinum, 66, 71. 



and silver, 64, 71. 



Strength of glass tubes, 98. 



Sulphate of soda crystals, 153, 230. 



Sulphide of carbon, 436. 



Sulpho-naphthalic acid, 182. 



Sulpho-naphthalates, 189. 



Sulphur, fluid at common temperatures, 



212. 

 Sulphuretted hydrogen, liquefied, 90, 107. 



, solidified, 107. 



Sulphuric acid and hydrocarbons, 160, 



170. 

 and naphthaline, 182. 



Sulphurous acid, liquefied, 89, 107, 129, 

 132. 



, solidified, 107. 



Sunset perspective, 215. 



Table-turning, 382, 385. 



Thoughts on ray vibrations, 366. 



Time in gravitation, 371. 



Tin and polarized light, 440. 



deflagrations, 404. 



Transference of heat by change of capa- 

 city, 221. 



Transparency of gold, 395, 401. 



Transverse vibrations of light, 357. 



of liquids, 352. 



on a shore, 355. 



Trevelyan's sounds, 311. 



Tubes and flame vibrations, 21. 



substituted for bottles, 152. 



Turmeric affected by boracic acid, 27. 



Vaporization has a limit, 199, 205. 



influenced by water, 207. 



Yapour of mercury, 57. 



Vegetable colours changed by alkalies, 

 &c., 29, 31. 



Ventilation of lighthouse lamps, 362. 



Vibrating fluids, crispation of, 335. 



, ray form, 352. 



Vibrating particles, motion of, 332, 335. 



plates, figures on, 314. 



surfaces, particles on, 332. 



Vibrations of light, 357. 



of flames in tubes, 23. 



in rays, 353, 354. 



on a wet shore, 355. 



Water, effect of its cohesion, 378. 

 , influence in vaporization, 207. 



Wheel animalcule, 305. 



Wootz, 58. 



Zinc and chloride of silver, 31. 



and polarized light, 441. 



deflagrations, 405. 



THE END. 



PRINTED BY TAYLOR AND FRANCIS, RED LION COt'RT, FLEET STREET. 



-1 O 17 Q Q 



