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720
OPTIC PROJECTION
Micro-projection, addition to the
magic lantern 307-309
advantages 223
alternating current 284
apparatus 221, 319
centering 246
college, bench lantern 301
condenser for 237
conditions for good 309
direct current arc lamp 236
illumination for 236, 248, 271, 284, 286-287, 305, 328, 335, 339, 598, 616-620
house-circuit 285
lime light 287
objectives 224-226
ordinary microscope 262
outfit for photography . .382, 386
room 235
screen 235
size of image 470
size of screen 470
size of specimens 224, 255
summary 313
sunlight 286
troubles with 301
weak lights for 287
Microscope with amplifier. . .238, 600 for drawing on horizontal
surface 344
drawing with inclined 345
focusing device 241
house circuit drawing outfit . . 343 getting light through with
concave mirror 347
magic lantern lamp and condenser 336
objectives, objects to project
with 269
photo-micrography 385
plane mirror 34^
position for drawing 345
projection and drawing 275
projection with ordinary. 262, 263
projection with vertical 267
slide, masks for 252
specimens, projection of 269
tube 241
size and image 243
vertical with high powers. ... 283
vertical, stray light 268
without ocular or substage
condenser 334
Microsummar 225
Microtessar 225~579
Milliet de Chales 676, 679
Mirror 574
at end of clock-shaft (helios
tat) 152,153
concave 573
convex 575
reflection 572-573
attached to drawing table ... 324
concave, as reflector 127
concave, without substage
condenser 349
45 degree with vertical objective 46, 267
to illuminate opaque object . . 1 75 light through microscope with
concave 347
with plane 346
on drawing table 324
parallel to clock-shaft (helios
tat) • 154
position at equator, for helio
stat I58
position at poles for a helicstat 1 58 position and time of day with
the heliostat 144
screen 459
silvered on face with dim light 331
to get erect image 190, 361
to reflect image to drawing
surface 322> 337
Mirroroide 459
Misframe 434
Mixed jet 105, 107
Models, drawing for 357
Moler, Geo. S 218, 219
Molyneux 677
Motion of picture film 419
Motion Picture Screen Co 459
Motor-generator set 489
Mounting, condenser 17, 62
lantern slides 216
low power objectives 241
Movement of lamp at its limit . . 47 intermittent with cameragraph 41?
Moving pictures,
390, 409, 435, 468, 570, 591, ooo
apparatus for 39°
apparatus, getting in correct
position 412
development of the art ... 391 , 680 and education 394