Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

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INDEX 725 Projection apparatus, exhibition 270 on house circuit 234, 285 illumination for, 237, 247, 251, 271-282, 328, 335, 347, 598, 601 limitations 223-224 on market 296 solar 142 microscope 221, 234, 249, 271 use 249 defective vision demonstrations 659-672 moving pictures 409, 420, 433, 593 microscopic specimens 269 multiple lanterns 34 normal vision 652-659 objective 18, 224, 464 shield for 292 objectives, micro-projection 224-226, 244, 263 objective for moving pictures 406, 412 ocular 230-234, 280, 366, 600 optics of 572 position of carbons for 49-50, 249, 342, 415, 507, 537-550 room, form and darkness . 440-444 specimens for 252, 268 table 287 with drawing shelf 325 with vertical microscope. . . . 267 with weak lights 120 Projectors for home use 435 Projectoscope combination. .185-186 universal 302 Proportion of gases for lime light 108 Pseudoscopic effect 39 "Push-through" slide carrier. ... 23 Pupil for eye experiments . . . 65 1 , 669 effect of size in vision 669 Ptolemy, phenomena of refraction 576 Quartz optical system for ultra violet 641 spectrograph for ultra violet 642 system for spectra of ultra violet 641 Queen & Co 166 Radial lines for showing eye defects 662-667 Radiant or light source, 1 1, 68, 78, 90, 92, IOO, 113, 119, 121, 125, 127, 130, 138, 553 Radiant, arrangement and centering 39-46, 56 distance from condenser. ... 41 for drawing 328, 329 Radiant efficiency 567 and mirror. 189 energy for moving pictures with alternating current. . 570 direct current 571 for opaque projection 1 74 position and illumination of condenser 42 position of in opaque projection 174 tilted 188-196 Radiation, light energy of. . .566, 569 visible and invisible 566 Ramsden's Circle or disc 230 type ocular 234 Reactor 532 Read, E. A 673 Rectifier for alternating current 489 Red lights near exits 443 Reducing valve for gas cylinders 102 Reflection 572 irregular 572~573 law of 140, 572 losses by 175, 602 metallic surfaced screens. . 458 mirror 573 regular 572 semi-regular 573~574 of various screens. .460, 463, 465 visibility of reflected beam. . 573 Reflector, acetylene lamp 127 gas lamp 126 in opaque projection 175 petroleum lamp 122 Reflectoscope 180 Refraction 575~576 at plane surfaces 575 at curved surfaces 575 air to glass 575 air to water 575 density and refraction 576 index of 576 law of sines 576 Ptolemy's laws of refraction 576 Snell and Descartes law of sines 576 Refractive eye defects 659-672 Regulations, fire underwriters, for wiring 499~5O5 Reichert 82, 83, 93