INDEX 475 



PAGE 



Microscopes, metallurgical 90 



as polarimeters 166 



Microspectroscopes 131 



adjustment and calibration 135 



Micellae 107 



Microtomes 169 



Monoclinic system, characteristics of 268 



Mortars, agate 297 



Mounting opaque objects for study 89 



Nernst lamps for microscopy 160 



Neutralization 302 



Nickel, common salts 410 



detection by glyoxime 410 



phosphate 412 



triple nitrite reaction 412 



Nicol prism 52 



Nitrates, detection of 425 



Nitrites, detection of 426 



Nosepieces 164 



Object slides 149 



for use with fluorides 151 



Objective changers 164 



Objectives, achromatic ; . . 3 



adjustable 3 



angular aperture of t 4 



aplanatic 2 



care of 10 



designation of i 



for dark-field illumination 40 



function of i 



illuminating power of 5,8 



immersion 6 



light grasping power of 5 



numerical aperture of 5 



penetrating power of 8 



photographic ; ; 10 



resolving power of 7 



selection of 9 



variable 6 



vertical illuminator 80 



Oblique extinction 253 



illumination with Abbe condenser 24 



in refractive index determinations 230 



Obtuse bisectrix 257 



Ocular micrometer ratio 182- 



