462 



INDEX 



Microscopes for two or more observers, 



432-433 

 Microscope, simple, 7 



drawing with, 160-172 



experiments with, 15 



focusing, 36 



images with, 7, 9 



magnification of, 133 



micrometry with, 149 



mounting of, 16-17 



working distance, 39 

 Microscope-telescope, 430 

 Microscopic objectives, 17 



objects, drawing, 160, 193 



photography, 214-224 



slides or slips, 313 



tube-length, 27, 79, 2S6-287 

 Microscopic preparations, cabinet for, 



342 



cataloguing and labeling, 337-340 



mounting, 321 



trays for, 343~345 

 Micro-spectroscope, 246-264 



adjusting, 253 



Amici prism for, 247 



Angstrom scale for, 248, 255 



direct vision, 249 



experiments with, 258 



focusing the slit, 254 



in photo-micrography, 239 



lighting, 257 



material needed, 258 



objectives to use, 257 



reversal of colors, 248 



slit mechanism, 253-255 

 Microtomes, 370-371 



knives for, 372, 380 

 Micrum, micron (//), 150 

 Mikron, micron (ju), 150 

 Milk-globules to overcome pedesis of, 



118 

 Minerals, absorption spectra, 263 

 Minute objects, arranging, 336 

 Mirror, 434 



arrangement for drawing, 165-185 



central and oblique light with, 56 



concave, use of, 54 



dark-ground illumination, 68, 74 



parabolic of Descartes, 434 



plane, use of, 54 

 Models, 410-423 



blotting paper for, 413-416 



dissectable, 422 



drawings for, 416-420 



size of, 414-415 



thickness of plates for, 414-416 



wax for, 412-413 

 Moist chamber, 333 

 Molecular movement or pedesis, 118 

 Monazite sand, spectrum of, 263 

 Mounting, 321-337 



cells, preparation of, 324 



media and preparation, 350, 356- 



357 

 objects for polariscope, 267 

 permanent, 322 

 temporary, 321 

 Mounting in balsam, 321 

 dry or in air, 323 

 in glycerin and glycerin jelly, 326- 



327 

 in media miscible with water, 325 

 in resinous media after drying, 328 

 in resinous media by successive 

 displacements, 329-330 



Movement, Brownian or molecular, 11S 



Muci-carmine, 396 



Mtiller's fluid, 362 

 dissociator, 354 



Muscae volitantes, 122 



Muscular fibers, isolation of, ^^ 



N 

 Natural balsam, 350 

 Negative oculars, 23 

 Negatives, photographic, 177 



opaquing, 1S2 



storing and labeling, 214, 232 

 Net micrometer, no, 156 

 Neutral balsam, 350 



red, 362 

 Nicol prism, 264-265 



Nitric acid, 362 



dissociator, 362-363 

 Nomenclature of objectives, 19-23 

 Non-achromatic condenser, 58-59 



