CONTENTS. 



171. 

 172. 



173- 

 174. 



175. 

 176. 

 177. 

 178. 

 179. 



180. 

 181. 



182. 



183. 

 184. 

 185. 

 186. 

 187. 

 188. 

 189. 

 190. 

 191. 

 192. 



^93- 

 194. 



195- 

 196. 

 197. 

 198. 

 199. 

 200. 

 201. 

 202. 



203. 

 204. 

 205. 

 206. 

 207, 

 208. 

 209. 

 210. 

 211. 

 212. 

 213. 



of n 



Indices of refraction for fluorite 



" " " " " temperature coefficients 



" •' " " Iceland spar . 



" " " " nitroso-dimethyl-aniline 



" " " " quartz . 



" " " " various monorefringents . 



" " " " " uniaxial crystals 



biaxial crystals 

 " " " " solutions of salts and acids 



{a) solutions in water 

 \b) " " alcohol 



{c) " " potassium permanganate 



" " " " various liquids ... 



" " " " gases and vapors . 



Reflection of light, perpendicular incidence : various values 

 " " " incidence varying : n near unity 



" " *' " " «=i,55 . 



Reflection from metals 

 Transmission of Jena glasses 



" " " ultra-violet glasses 



" " alum, rock salt, sylvine, fluorite, Iceland spar, quartz 



Color screens (Landolt) ...... 



(Wood) 



" " (Jena glasses) ..... 



Rotation of the plane of polarized light by solutions . 



" " " " " " " sodium chlorate 



Colors of thin films, Newton's rings 

 Thermal conductivity of metals and alloys . 

 " " " various substances . 



" " " water and salt solutions 



" " " organic liquids 



" " " gases 



Heat of combustion ..... 

 Heat values and analyses of various fuels : (a) coals . 



(^) peats . 

 (J) liquid fuels 

 Chemical and physical properties of explosives 

 Heat of combination . . ' . 

 Latent heat of vaporization . 



" " fusion .... 

 Melting-points of the chemical elements 

 Boiling-points " " " " 



Melting-points of various inorganic compounds 

 Boiling-points " " " " 



Melting points of various mixtures of metals 



Low-melting-point alloys 



and quartz 



