INDEX 



719 



Magic Lantern, centering 39 



Condenser with and without 

 spherical aberration . . 584-587 



for small drawings 330 



history 676-678 



image formation with 584 



inversion of the image 584 



light source extended and a 



point 586-589 



simplest with arc and 2-lens 



condenser 10 



standard for projection 



apparatus 9 



wiring for 15, 71, 82, 504, 512 



attachment for drawing 327 



automatic lamp, inclined car- 

 bons 61 



optical bench and ordinary 



microscope 262 



drawing accessories 329, 330 



drawing surface horizontal. . 331 



hinged baseboard 450 



inclined carbons 70, 543-548 



light too far off 54 



light too near 54 



radiant below the axis 53 



lamp with microscope. . 328, 336 



large .source 120 



lathe-bed form 3 -lens con- 

 denser, water-cell 60 



lime light 100, 101 



mantle, gas lamp 125 



mazda lamp 90, 9 1 



microscope 265, 365 



moving pictures 587, 591 



Nernst lamp 92, 95 



opaque objects 173 



ordinary miscrocope 263 



petroleum lamp 121, 122 



small arc 85, 86, 90 



small current 80 



sunlight 138, 139 



three-lens condenser 13 



two-lens condenser 10 



two-lens condenser, hand-fed 



lamp 62 



with direct current 9 



with rods and microscope. . . 264 

 Magnification, with, 



micro-projection 225, 257 



opaque projection 181 



opaque lantern 356 



wall diagrams 355 



Magnification, various objective 



and screen distances . . . .257-261 

 Magnesium oxide as standard 



screen 462 



Magic lantern with weak lights 119 

 amplifiers and oculars 



258, 262, 598-601 

 Magnification 



181, 228, 257-262, 357, 369 



actual 257-261 



calculated 261 



due to the amplifier 262, 600 



due to the ocular 232, 262 



how calculated 261 



how found 260, 353 



law for 357-3 6 9 



varying 351 



Management of apparatus for 



projection, 24, 73, 92, 106, 123, 

 127, 414, 433 



Mantle, gas lamp 125 



inverted 126 



position 125 



upright 126 



Masks, how to employ 253 



kind and color 253 



for microscopic slides 252 



Masked sections and slides. .253, 270 

 Marcy's petroleum lamp .... 121-122 



Marey 685-686 



Mayer, Alfred M 138, 157, 159 



Mazda lamp 90 



summary for 98 



wiring of 90 



Measurement of electric quanti- 

 ties 478 



Mechanism of cameragraph 410 



for moving the film 406 



moving picture machine 



400, 402, 416 



Mercury arc rectifier 490-491 



Metallic screens 458-459 



Meter, unit of length 318 



candles 612-615 



number for reading 612 



Method of striae 647-650 



Metric rule 27, 318, 371 



system 318 



Micrometer ocular 232, 233 



Micrometer ocular, filar 234 



Micrometers by photography . . . 353 



Micro-planar 224, 225 



Micro-projection, 221, 223, 236, 262, 

 267, 284, 286-287, 296, 313, 344, 

 3 8 5, 598,615-620 



