410 INDEX 



PAGE 



Vertical illumination, appearances in 38, 39, 80 



Vertical illuminators 76 



adjustment of 78, 88 



auxiliary stage with 88 



disk 77 



lamp for use with 87 



Leitz 82 



Nachet 81 



objectives for use with 79 



polarized light with 81 



prism 77 



stand for use with 84 



Tassin 84 



Watch glasses 126 



Weight, determination of 213 



Work tables 129-131 



Working distance 2 



Works microscopes 99 



Zinc, common salts 307 



detection by ammonium mercuric sulphocyanate 307 



oxalic acid 311 



sodium bicarbonate 311 



nitroprusside 315 



sulphide fibers, preparation of 272 



as reagent 368 



