474 
INDEX 
PAGE 
Magnification, limit of. i6 
determination of. 172 
Manganese, common salts. 406 
detection by chromates. 407 
fusion. 408 
sodium bismuthate. 408 
sodium phosphate. 408 
oxalate. 406 
Mazda lamps for microscopy. 161 
Measurement of areas. 212 
Measurements, microscopic. 175 
of thickness.190, 243 
volumes. 212 
Mechanical stages. 138 
testing graduations. 141 
Melting points^ determination of. 218 
table of. 445 
Mercury, common salts. 364 
detection by potassium thiocyanate. 368 
potassium iodide. 367 
sublimation. 365 
determination of. 210 
Mercuric and mercurous compounds, differentiating. 366 
Metallurgical microscopes. 90 
Metals, grinding, polishing and etching. 430 
Microburners. 153 
Micro-coiorimetry. 215 
Microchemical methods. 276 
Microhardness, determination of. 191 
Micrometer scales, adjustment of. .. 181 
Micrometers, contrast. 185 
filar. 186 
step. 185 
Micrometry. i 75 
by means of camera lucida. 180 
fine adjustment. 190 
mechanical stages. 180 
ocular micrometer. 181 
projected scale from Abbe condenser. 187 
Micrometric microscopes. 176 
Microscopes, chemical. 59 
specifications for. 59 
compound, optics of. i 
comparison. 65 
fluorescence. 49 
hot stage. 71 
large stage. 64 
