402 INDEX 



PAGE 



Condensers, reflecting 45 



Contrast micrometers 154 



Converging polarized light 173 



Coordinate ruled cells 210 



ocular micrometers 208 



object slides 210 



Copper, common salts 339 



detection by ammonium mercuric sulphocyanate 339 



cesium chloride 341 



. potassium ferrocyanide 341 



triple nitrite reaction 340 



Cotton and Mouton ultramicroscope 69 



Counting cells 210, 211 



Cover glass, correction for . -. 3 



Cross-hairs, testing 163 



Crossed nicols, testing for 161, 163 



Crystal angles, measurement of 177 



Crystals, axes of 168 



faces of 168 



symmetry of 168 



for determination of refractive index 203 



Crystallographic concepts 167 



Cubic system, characteristics of 180 



Cups, platinum 248 



Cyanates, detection of 377 



Cyanides, detection of 376 



Dark-ground illumination 40-50 



illuminators, adjustable 43 



adjustment of 46 



numerical aperture in 43 



path of light rays in 41, 42, 45 



thickness of object slides for 49 



Decantation 230 



washing precipitates by 233 



Dendrites 169 



Differential color illumination 51 



Dimorphous crystals 169 



Directions of elasticity 172 



vibration 172 



Disk vertical illuminators 77 



Dispersive power of liquids 190 



Distillation 244 



apparatus 245 



Distilling tubes 247, 248 



Drawing cameras 102 



adjustment of 104 



