INDEX 



309 



Jentzsch, inonobjectivc binocular, 

 46, 52, 202 

 paper on dark field, 212 



K 



Kniphofia aloides, chromomeres, 221 

 Koch, oil-immersion objective, 199 



uncorrected condenser, 82 



wide cones, 82 

 Koehler, homal, 203 



illumination, 67 



paper on hand lens, 211 



Lamp, C-Mazda, 62, 70, 73 

 care of, 175 



distance and condenser, 251 

 kerosene, 67 

 Lee, Bolles, cedar oil as clearer, 242 

 fading in Canada balsam, 103 

 stains in cedar oil, 104 

 "Vademecum," 241 

 Leeuwenhoek, discoveries, 196 

 Leitz, condenser, achromatic, 160 

 oil-immersion, 201 

 immersion oil, 105 

 Lihotzky binocular attachment, 



49 

 metallurgical objectives, 157 

 miniature binocular, 23 

 periplane eyepieces, 148 

 water-immersion objective, 119 

 Lens, accessory, for condenser, 85 

 achromatic, 15 

 anastigmatic, 18 

 aperture of, 18 

 aspheric, 15 

 brightness of image, 19 

 bull's-eye, 71 



concave, as amphfier, 257 

 with condenser, uncorrected, 251 

 condensing, aspheric, 71 

 with ground glass, 70 

 corrected, 14 



identifying, 15 

 correcting condenser, 90 

 doublet, 17 

 field of, 18 



Lens, hand, care of, 184 

 holder, 16 

 paper, use of, 127 

 triplet, 18 

 using, 20 

 Leuchtbild condenser, 95 

 Light, adjusting intensity of, 78 

 bluish-green, 266 

 filters, 75, 206 

 care of, 175 

 practical points, 79 

 summary, 78 

 testing, 171 

 transmission of, 78 

 use of, 3 

 flooding with, 92 



green, and aspheric condenser, 253 

 large cones of, 211 

 large source and glare, 247 

 moderating, 159 

 polarized, with diatoms, 262 



with starch, 231 

 screens, use of, 3, 78, 265 

 source of, 28 

 ultra-violet, 207 



yellow-green, advantages of, 76, 

 266 

 Lihotzky binocular attachment, 49, 



52 

 Liliuni longiflormn, nodes of biva- 



lents, 222 

 Lilium pardalinum, chromomeres, 



219 

 Lister, achromatic objective, 197 

 Literature of the microscope, refer- 

 ences to, 292 



M 



Magnification, above the limit, 101 

 and aperture, 119 

 classification of, 27 

 eyepiece, 120, 149 

 modem method, 119 

 objective, 149, 152, 264 

 old and new, 120 

 useful, 26 



limit of, 100 



table, 120 



