232 



INDEX. 



scope, 129; with a mirror, 36 ; with 



daylight, 34; for photo-micrography, 



192. 

 Line spectrum, 123. 

 Linen, examination of, 90. 

 Liquid, currents in, 8S ; homogeneous, 



55, 213. 



M 



Macro-photography, 184. 



Magnification of compensating oculars, 

 26 ; effect of adjusting objective, 100 ; 

 determination of, 92, 94 ; expressed 

 in diameters, 92 ; initial or indepen- 

 dent, 214; method of binocular or 

 double vision in obtaining, 93 ; 

 of microscope, 92 ; of microscope 

 with Abbe camera lucida, 11S ; of 

 microscope, compound, 94 ; of micro- 

 scope, simple, 93 ; of photo-micro- 

 graphs, determination of, 202 ; real 

 images, 92 ; table of, with ocular mi- 

 crometer, 99 ; varying with com- 

 pound microscope, 97 ; and velocity, 

 88. 



Magnifier, tripod, 7, 198. 



Marker for preparations, 63, 64. 



Marking objects, 63, 64, 94, 101 ; nega- 

 tives, 197 ; objectives, 65. 



Material and apparatus, 1, 33, 80, 92, 120, 

 140, 175-181, 183, 210, 216. 



Measure, unit of, in micrometry, 100 ; of 

 wave length, 128. 



Measurer, cover-glass, 143-145. 



Measuring the spread of dividers, 93 ; 

 thickness of cover-glass, 143. 



Mechanical parts of compound micro- 

 scope, 61 ; of microscope, care of, 

 57 ; testing, 60 



Mechanical stage, 61, 65-66. 



Medium, mounting, 147. 



Met-hemaglobin, spectrum of, 122, 133. 



Methods, collodion, 157 ; paraffin, 164. 



Micro-chemistry, 180. 



Micrometer, 92 ; calipers, 143, 144 ; cob- 

 web, 104 ; filar in. ocular, 103; filling 

 lines of, 94 ; net, 113 ; lines, arrange- 

 ment of ocular and stage, 107 ; object 

 or objective, 94; ocular or eye-piece, 

 102, 103 ; ocular, micrometry with, 

 105 ; ocular, ratio, 106 ; ocular, valu- 

 ation of, 103 ; ocular, varying valua- 

 tion of, 105 ; screw ocular, 103 ; stage, 

 94 ; table of magnification, 99. 



Micrometry, definition, 100-102 ; with 

 adjustable objectives. io5 ; compari- 

 son of methods, 107 ; with compound 

 microscope, too; and jurisprudence, 

 108 ; limit of accuracy in, 107; with 

 ocular micrometer, 105 ; with simple 



microscope, 100; remarks on, 106 ; 

 unit of measure in, 100. 



Micro-millimeter, ioi. 



Micron, 100 ; for measuring wave-length 

 of light, 129. 



Micro-photograph, 183. 



Micro-photography, distinguished from 

 photo-micrography, 183. 



Micro-polariscope, 89, 136; experiments, 

 137 ; for laboratory microscope, 

 lighting for, 137 ; objectives to use 

 with, 136 ; purpose of, 137 ; selenite 

 plate with, 138 ; sulphonal with, 



J 39- 

 Micro-polarizer, 136. 



Microscope, definition, 1 ; amplification 

 of, 92; clinical, 76; demonstration, 

 77 ; dissecting, 9 ; care of, 57 ; eye 

 and, 1,6, 10; field of, 27, 29 ; focus- 

 ing, 31 ; magnification, 92 ; lor photo- 

 micrography, 187; polarizing, 136; 

 price of, 61, 63; putting an object 

 under, 27 ; screen, 56. 



Microscope compound, definition, 7 ; 

 drawing with, no; figures, 10,65; 

 focusing, 36-37 ; for laboratory, 61 ; 

 lamp, 48 ; magnification or magnify- 

 ing power, 94 ; magnification and 

 size of drawing with Abbe camera 

 lucida, 118; mechanical parts of, 61 ; 

 micrometry with, 100 ; optic axis of, 

 10 ; optical parts of, 10, 61 ; polariz- 

 ing, pedesis with, 89 ; varying magni- 

 fication, 97 ; working distance of, 38 ; 

 testing, 60. 



Microscope, simple, definition, t ; exper- 

 iments with, 6 ; figures, 6-8, 31, 155- 

 156, 197-199 ; focusing with, 33 ; 

 magnification of, 93 ; micrometry 

 with, 100 ; working distance of, 33. 



Microscopic objective, 10 ; objective low, 

 attached to camera, 198 ; objects, 

 drawing, 109 ; ocular, 22 ; slides or 

 slips, 140. 



Microscopical preparations, cabinet for, 

 174 ; cataloging, 172 ; labeling, 171 ; 

 mounting, 146-170; tube-length, 14, 



15. 



Microscopy and photography, 183. 



Micro-spectroscope, 120-121 ; adjusting, 

 125 ; experiments, 131 ; focusing, 

 130 ; focusing the slit, 125 ; for labo- 

 ratory microscope, 61 ; lighting for, 

 129 ; objectives to use with, 130 ; re- 

 versal, apparent, of colors in, 120 ; 

 slit, mechanism of, J 21, 125. 



Micrum, 100. 



Mikron, 100. 



Minerals, colored, absorption spectra of, 



134- 

 Minute objects, arrangement of, 180. 



