474 



INDEX. 



Quantity of Electricity, Meaning 

 of, 115. 



R. 



Radiation of Heat, 39. 



Color not effected by, 40. 



Polish unfavorable to, 40. 



Proportion of, to Temperature; 



39. 



Radicals, Compound, 340. 

 Rays, Heat and Chemical, 45. 

 Refraction of Heat, 45. 



Light, 20. ^ 



Refrigerators, Construction of, 34. 

 Resins, 383. 



Gum, 387. 

 Respiration, 425. 

 Roots, Office of the, 347. 

 Rosin Oil, 386. 



Soap, 385. 



S. 



Safety Lamp, Davy's, 222. 

 Sal- Ammoniac, 218. 



Volatile, 315. 

 Salt, Common, 296. 



Decomposition of a, by Gal- 

 vanism, 117. 



Glauber's, 306. 

 Saltpetre, 310. 

 Salts, 274. 



Formation of, 136. 



Names of, 135. 

 Sealing Wax, 385. 

 Shot, Manufacture of, 259. 

 Silicates, 319. 

 Silicon, 196. 

 Silver, 262. 



Assay, 265. 



Nitrate of, 312. 



obtained from Lead, 263. 

 Silvering, Galvanic, 107. 

 Sizing for Paper, 875. 

 Skin," Tendons and Ligiments, 417. 



Soaps, 421. 



Properties of, 422. 

 Soda, Carbonate of, 314. 



Sulphate of, 306. 

 Sodium, 235. 



Chloride of, 296. 

 Soils, 402. 

 Soldering, 324. 

 Soluble Glass, 320. 

 Solution, 206-274. 



Effect of, on Chemical Affinity, 



138. 



Spirituous Liquors, 366. 

 Stalactites, 317. 

 Stalagmites, 317. 

 Starch, 357. 

 Starvation, 427. 

 Steam Boilers, 86. 



Elastic Force of, 87. 



Engine, 91. 



Guages, 90. 



Heating Houses by, 95. 

 Safety Valve, 91. 



Water Heated by, 95. 

 Stearic Acid. 420. 

 Steel, 243. 



Permanent Magnetism of, 123. 



Tempering, 244. 

 Strontium, 237. 

 Substitution, Equivalent, 339. 

 Substitutions, 343. 

 Sugar, Boiling in Vacuo, 85. 



Cane, 360. 



Grape, 359. 



from Starch, 358. 

 Wood, 356. 



Manufacturing, Use of Sul- 

 phurous Acid 



in, 159. 



Sulphates, 305. 

 Sulphur, 159. 



Liver of, 303. 



Milk of, 304. 

 Sulphurets, 302. 

 Sulphuretted Hydrogen, 214. 

 Sulphuric Acid, 16.2. 



Effect of, on Wood, 352. 

 Sulphurous Acid, 167. 

 Superphosphate of lime, 318-411. 



