INDEX 



721 



Moving Pictures, energy required 



for projection 570 



at home 435 



history 680-686 



illumination and optics 



409, 591, 593-598 



image formation 594~598 



in science 394~395 



size of image and screen 468 



summary and troubles. . .436, 438 



Moving picture and magic lan- 

 tern projection 587, 591 



machine. . .400-408, 410-418, 435 



inside shutter for 406-407 



installing 407 



mechanism of 415-417 



objective for 406, 412 



operating room for 396-397 



operator for 390 



optics of 409, 591 



phonograph with 393 



position in the operating 



room 396 



principle of 416 



Moving Picture World 



101, 207, 390-391, 397, 4 6 



Multiple lanterns, composition of 34 



dissolving views 35 



effects with 35 



use of 34 



wiring for 34 



Municipal regulations for wiring 499 



Muybridge 393, 681-684 



Myopia or short sight 660 



Nash, A. E., painting screens. . . 456 

 National Board of Fire Under- 

 writers 499 



National Electric Code 



499-500, 502, 515, 528 



National X-Ray Reflector Co ... 442 



Negative carbon, 12-13, 222 > 2 5O, 



507-508, 537-538, 547-549, 551- 



552, 640 



Negative photographic for lan- 

 tern slide 208, 211 



making with projection ap- 

 paratus 384 



Nelson 274 



Nernst lamp 92, 93, 94 



automatic 92 



for drawing 323 



for spectra 628 



summary 98 



Nernst Lamp, wiring alternating 



current 93 



wiring direct current 93 



Neuhauss 9, 202, 677 



Newton and chromatic aberra- 

 tion . 583 



composition of white light. . . 391 

 experiments with the 



spectrum 6?7 



& Co., lanterns and lantern 



slides 124 



Nicholas Power Co., 



391, 402, 404, 410, 417 



Nichols, physics 521 



Nicol prism 623 



for analyzer 623-624 



polarizer 623-624 



Nicol prism spectacles 37 



Normal vision, projection experi- 

 ments 652-659 



apparatus for demonstrating 



651-655 



trial lenses for 651-655 



lantern slides for 656 



source of light for 652 



Norris, electrical engineering . . 522 



Norton 9 



Nose-piece for objectives. . . .249, 250 



Obliquity, avoidance of 41 



Observation window in lamp- 

 house 72 



Oculars, 230-234, 280, 337, 366, 369- 

 372, 600 



compensation 232, 600 



designation of 231 



drawing, for 337 



eye-lens of 366, 600-601 



field lens of 366, 600 



filar micrometer 234 



image formation when used 



366, 601 



Huygenian 230 



magnification by. . .232, 258-262 



designation 231 



for drawing 337 



filar mictometer 234 



micrometer 232, 233 



position of image and course 



of light 366, 601 



projection .230, 232, 280, 366, 601 



