468 INDEX 



PAGE 



Antimonates 40I 



Antimony, common salts 398 



detection with cesium chloride 399 



Apochromatic objectives 3 



Applying reagents, methods 298 



Arc lamps, microscopic . . . . 159 



Areas, measurements of 212 



Areas visible with different objectives 18 



Arsenates, detection of 397 



Arsenites, detection of 398 



Arsenic, common salts 395 



detection of 395 



as arsine 395 



by reduction 397 



Artificial daylight 158 



Artificially colored crystals , 275 



Atomic weights 446 



Axial angle 255 257, 



calculation of 237 



estimation of 258 



Axial light, test for 229 



Ball-and-socket stage 143 



Barger method for molecular weight determination 213 



Barium, common salts 341 



detection by oxalic acid 344 



potassium bichromate 347 



ferrocyanide 346 



sodium bicarbonate 349 



sulphuric acid 342 



Barnes pipette, bottles with 147 



Bead tests 315 



Biaxial crystals 254 



refractive indices of 236 



Bichromates, detection of 423 



Biltz cell in 



Binocular Microscopes , 71 



Bisectrix 257 



Bismuth, common salts 402 



detection by cesium chloride .' 402 



oxalic acid 403 



ammonium bichromate 403 



potassium sulphate 402 



water 402 



Blast lamps, small 154 



Blue glass with Abbe" condenser 27 



Bolting cloth 1 7 1 



