INDEX 405 



PACK 



Lead, common salts 323 



detection by hydrochloric acid 325 



metallic zinc 329 



potassium iodide 323 



triple nitrite reaction 327 



Leitz metallurgical microscopes 91, 100 



Lens holders 1 18 



paper 9 



Light grasping power of objectives 5, & 



Liquids for determination of refractive index 201, 202 



determination of refractive index of 196 



Litmus-silk fibers 271 



Luminescence microscope 51 



Magnesium, common salts 304 



detection by sodium phosphate 305 



uranyl acetate 275 



Magnification, limit of 15 



determination of 148 



Manganese, common salts 359 



detection by chromates 360 



fusion 361 



sodium bismuthate 361 



sodium phosphate 361 



oxalate 359 



Mazda lamps for microscopy 136 



Measurement of areas 216 



Measurements, microscopic 142 



of thickness 200 



volumes 216 



Mechanical stages 113 



testing graduations 114 



Melting points, determination of 220 



table of 395 



Mercury, common salts 318 



detection by ammonium sulphocyanate 322 



potassium iodide 321 



sublimation -. . . 319 



determination of 214 



Mercuric and mercurous compounds, differentiating 320 



Metallurgical microscopes 90 



Metals, grinding, polishing and etching 383 



Microburners 127 



Microchemical methods 228, 250 



Micrometers, contrast 154 



filar 154, 155 



step 153 



