408 



INDEX. 



Microscope, national, 29. 



Microscope, popular, 72. 



Microscope, professional, 53. 



Microscope students, 56. 



Microscope, Sidle's, 84, 351. 



Microscope selection, 147. 



Microscope, Tolles , 47. 



Microscope, Zentmayer, 34. 



Microscope, use and abuse of 

 375. 



Microscopic manipulations, 157 



Mirrors, concave, 32. 



Mirrors, hangings strong, 38. 



Mirrors mountings, 32. 



Mirrors, plain, 31. 



Mirrors used as condensers, 229. 



Mirrors where attached. 226. 



Monocular vs. binocular, 29, 

 80. 



Moller's test-plates, measure- 

 ments of, 253. 



Mounting of objectives, 129. 



N 



Names of microscopic dealers, 



341. 

 Robert's test-plate, 254. 



Objections to mechanical stages 



24. 



Objections to binoculars, 30. 

 Objectives, adjustable, 148. 

 Objectives, broad guage, 230. 

 Objectives, balsam, 141. 

 Objectives, choicetof, 397. 

 Objectives, Dr. Carpenter on 



97. 



Objectives, fighting, 117, 140. 

 Objectives, high angle, 97. 

 Objectives, high angle, testing 



of, 107. 

 Objectives, low balsam angle, 



144. 



Objectives, one-sixth preferred 



to one-fiftieth, 109. 

 Objectives, immersion, 125. 

 Objectives, experience with, 



202. 



Objectives, for physicians, 207. 

 Objectives for regular work, 



202. 

 Objectives, test with diatoms, 



249. 

 Objectives, testing aperture of 



192. 



Objectives, testing, 198. 

 Objectives, wide angle, what is 



it V 137. 

 Objectives, working distance 



of, 108. 



Objectives, mounting, 129. 

 Objectives, oil immersion, 310, 

 Objectives, Spencer's, 353. 

 Objectives, Tolles', 354. 

 Objectives, performance of, 368. 

 Observer's position, 246, 289. 

 Oil immersion objectives, 309. 

 Oil immersion, objectives, expe- 

 rience with, 315. 

 Oil immersion objectives of 



Zeiss, 310. 

 Oleomargarine examinations, 



400. 



Penetration and angular aper- 

 ture, 118. 



Physicians, objectives best for, 

 207. 



Physics, elementary hints on, 

 393. 



Pod ura, scale resolution of, 299. 



Position of observer, 246,289. 



Professional microscope, 53. 



B 



Rising of the object, 276. 



