We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
446 OPTICAL PROJECTION MEN Mending gas-bags, 42 Mica designs, for polarised light, 354, 307, 374, 381 Microscope, attachment, 148 ; pro- jecting and electric, 179; com- pound, 190 ; objectives for, 192 Microscopic bi-unial, 157 Microscopic demonstration image, the, 190 Mineral oil lamps, 36 Minerals, sections of, 359 Minimum deviation in prisms, 283 Mirror, plane, 175 ; rotating, 269, 400 Mitscherlich's experiment with selenite, 379 Mixed gas jets, 51, 59; best form of, 62, 63 Mixing gases, danger of, 51, 53, 90 Mixture for oxygen, 77 Mohture, condensed, 16, 116, 206 Molecular motion and heat, 389; strains, 229, 360 Monochromatic lights or colours, 303 Morton, Prof., on thallene, 319 ; his vertical apparatus, 166 Mounting experimental lanterns, 175 ; diagrams, 415 ; polarising slides, 357 Mounts for objectives, 32 Movements, physiological, 232 Muscle-telegraph, 238 Muybridge's moving figures, 145 NERNST lamp, 41, 424 Newton's experiments in refraction of colours, 283 ; disc, 288 ; rings, 328, 354 ; orders of colours, 356 Newton's, Messrs., triple experi- mental lantern, 160, vertical do., 169 Nicol prisms, 339 ; improved, 340 Nipples, 62, 65 ; inclination of, 67 Nodes, 252, 267 Norremberg's artificial crystals and mica-selenites, 382 Npzzles for gas-supply, 4J PHO OAKLEY'S cut-off jet, 118 Objectives for lanterns, 24; size and cost of, 31; testing; 32, of microscopes, 192 Objects for microscope, 202; living, 204 Oersted's experiment, 403 Oil-lamps, 34, 417 Opaque objects, 147 Opeidoscope, Dolbear's, 268 Opera-glasses in microscopic demonstration, 191, 199, 208 Optical lantern front, 171 Organic substances, in polarised light, 359 Oscillation in electrical discharge, 400 Osmosis in gas-bags, 43 Oxide, thin films of, 324 Oxy-carbon light, 100 Oxy-ether light, 91 Oxygen, preparation of, 74, 80; price of, 88, weight of, 85 Oxy-hydrogen microscope, 182; management of, 196 PACKING of jets, 60, 63, 93 Packing the lantern, 135 Painted slides, 136 Panoramic slides, 141 Pantagraph lantern-sketcher, 145 Parallel beams and pencils, 172, 257, 276 Parallelogram of forces, 217 Particles, polarisation by small, 382 Pearl, mother of, 336 Pencils of rays, management, 172, 257, 276 ; attachment to lantern for, 173 Perforated plates, diffraction by,337 Persistence of vision, 144, 288, 371 Petroleum ether, 96 Petroleum oil lamps, 36, 417 Petzval objectives, 28, 192 Pfaundler, Prof., and apparatus for Lissajous' figures, 259, 26Q Phoneidoscope, the, 270 Phosphorescence, 32Q