INDEX 
473 
PAGE 
Illumination, transmitted light. 20 
ultraviolet ray. 48 
Illuminator, Silverman. 33 
Illuminators, vertical. 77 
Immersion, method of refractive index determination. 226 
method, liquids for. 244 
objectives.6 
ultramicroscope. 123 
Interfacial angles. 250 
Interference colors. 260 
figures. 259 
Interpretation of appearances with transmitted light. 21 
reflected light. 31 
lodates, detection of. 425 
Iodides, detection of. 425 
Iron, common salts. 409 
detection by oxalic acid and barium salts. 344 
potassium ferrocyanide. 409 
thiocyanates. 35^ 
Isometric system, characteristics of. 267 
Isotropic bodies. 
crystals. 51 
refractive index of. 227 
Jewelers’ hacksaws. 169 
Key to reagent blocks. 462 
Kryptokinetic motion.i. 106 
Lamps, microscope. 158 
Lead, common salts. 369 
detection by hydrochloric acid. 371 
metallic zinc. 375 
potassium iodide. 369 
triple nitrite reaction. 373 
Leitz metallurgical microscopes. 102 
Lens holders. i 45 
paper. 10 
Light grasping power of objectives. 8 
Liquids for determination of refractive index.244-246 
determination of refractive index of. 238 
Litmus, purification of. 447 
Litmus-silk fibers. 447 
Luminescence microscope. 48 
Magnesium, common salts. 350 
detection by sodium phosphate. 350 
uranyl acetate. 350 
