INDEX. 177 



Metals, separation of in alloys 163 



Metallic elements, determination of 149 



Metallography 162 



" of steel 165 



Methylene blue 117 



Microchemical analysis, apparatus for 149 



" " of acids I c I 



" " " metals 149 



" " , possibilities of 142 



" " , systematic 149 



' ' tests 144 



Micrometer, measurement with 54 



" , ocular 53 



.stage 52 



" , standardization of 53 



Micropulariscope 155, 157 



Microscope, adjustments 20 



' ' , arm 20 



" , cleaning 23 



" , compound 10, II, 12, 13 



' ' , diaphragm 19 



' ' , draw -tube 20 



" , function of 3 



' ' , history of - , 9 



" , Hooke's 12 



" in biology 104 



" in medicine and sanitary science 105 



" , Leeuwenhoek's II 



" , lenses 20, 21 



" " , cleaning of 24 



" , magnification of 57 



' ' , mechanical parts 17 



" , mirror 19 



" , pillar 19 



" , position of 23 



" , qualifications of 34 



, setting up 23 



" , simple 9 



" .stage 19 



" stand 17 



f tube ,..,,..,,., 20 



