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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OPTIC PROJECTION Foucault, Recueil des Travaux Scientifiques 138 Fourtier 9, 202 et Moltini 621 Frame for darkening window margins 445~447 for retouching slides 29, 203 French Congress of Photography 200 French lantern slides 200 Frequency, of alternating currents 486 apparatus adapted to 495 Fuess, R 56, 138, 150, 159 Fuse blocks, location of 520 Fuses 399.519 "blowing" of 519 burned out 47, 519-520 capacity 520 and circuit breakers 518-519 location and installation .... 519 on each line 519-520 on house circuit 83, 520 replacement of 520-52 1 wattmeter 519-520 Gas, amount in cylinders 103-104, 129 lamps 125 lighter 106 management 127 reflector 126 summary 136 Gases, proportion of in lime light 108 Gauges, pressure 102, 103, 129 Gelatin for lantern slides 205 General Electric Co 553 cuts loaned by 489-495 Generator 474 shunt 487 Gcntner (J. H. Gentner Co.) .... 459 German lantern slides 200 "Ghost" from reflections 245 Glass plates for polarizing light . . 624 tinted in combined projection 177 unvarnished 207 Glassine ink for writing on glass 207 Gloves, asbestos-patch . . . .21,22, 109 Glower of Nernst lamp 92-93 Golgi method 240 Goodwin, inventor of photographic film 682-683 Goring and Pritchard 283, 454 Gothic type for drawings 377 Gratings for spectra. . . .627, 632-635 s 'Gravesande . 140, 146 Ground of electric current 48, 497-498 Ground-glass to diffuse light 380 screen, transmission. 46 1-462, 465 Guide for making lantern slides . 207 Guides for apparatus blocks .... 292 Guil pastils 101 Gundlach-Manhattan Optical Co. 412 Hand-feed arc lamp 12, 15, 62 lamp for alternating current 68 lamp for small currents 286 Hartford Screw Co 296 Hassock and Rosenberg 9, 621 Heat, getting rid of, in rheostat 523 with small currents 350 Heating unequal on condenser . . 58 Heliostat 139 clock-driven 145 for east window 144 for south window 143 for west window 145 hand-regulated 140 how to set clock-shaft 147 kinds of 140 lens and prism 157, 159 mirror parallel to clock-shaft 154, 155 setting up 154 one-mirror 145, 146, 148, 150 setting up 149 positions of mirror 144, 156 principle of 151 southern hemisphere 156 setting up 158 two-mirror 145, 152, 153 arranging fixed mirror. . . 154 arranging movable mirror 152 Hepworth, C. M 391 Heyl, H. R 680 Hepworth, T. C 9 Historical Summary 673-687 Hitchcock, Prof. Romyn 265 Holland, translucent screens in . . 462 Home kinetoscope 435 Home-made optical bench . . . 288-296 projection apparatus 4, 287 rheostats 525~53° Home projectors 435 Hood, on objective 245 showing light centered and not 246 Hooke's joint and rod 82, 329