We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
710
OPTIC PROJECTION
for lantern slides 202
for sunlight 139, 161
lamp with special 343
lens breaking 57
light for different positions of
lamp 42
lighting with main condenser
only 234
lighting opaque objects with 189 micro-projection with. . .237, 273
mounting of 58, 62
moving picture 403
and objective, proportions ... 43
opaque projection with 175
out of center 53
parabolic for micro-projection . 588
protecting by sheet mica
or glass 608
reduction of brilliancy by. . . 618 second element of, and the
objective 65, 588, 590
second element for microprojection. .. .274-278, 591
size for drawings 331
size for lantern slides 202
spherical aberration of 585
substage 232, 347
substage, high power 271
substage, K6hler method with 278
sunlight 139, 161
three-lens 13, 652
two-lens 10, 653
with spherical aberration 585 without spherical aberration 584
types of 587
triple 588
two lens 588
Conditions for good micro-projection 309
Connections, acetylene 129
ammeter 480-482
attachment cap of separable
plug 86-87,503-504
electric supply 502, 513
gas lamp 126
lime light 106
to the switch 504
voltmeter 478-482
wattmeter 482
Connectors, metallic 106
separable extension 87
Converging light, parallelizing. . 273
Cornell University 147, 673
Crater, increase in size with current 248, 249, 564
temperature of 546-548
Crystalline lens of the eye, change in shape for accommodation . . 658 in hyperopia and myopia . 660-661 rigid in presbyopia. . .661-662
Cuff and Adams 141
Current, alternating 475
amount compared with direct
73, 553-565
at anodes, oscillogram of .... 495 appearance of arc. . .342, 542, 545
and candle-power 553-565
connections of ammeter to
measure 482
controlled by resistance . . 542-544
direct 1 1 , 474
direct for arc with magic lantern 24
for drawing 338
for spectra 628, 640
for experiments in vision 651-672
for micro-projection 248
increase in heat by increase
of current 248
increases size of crater 248
insulation for large 513
lack of 48
lamps for small 78
magic lantern with alternating
68-77
micro-projection with alternating 284
moving pictures with alternating 398, 401, 566
opaque projection 182
oscillogram of delivered and
supplied 493
potential drop at arc 536-539
precaution for heavy 186
rectifier 489-492
screen distance and 73
size carbons and candlepower 248, 55I-552
unit of, the ampere 476
wiring for large 513
Curtains for darkening room .... 446 Curves of light reflection .... 460-465 Cycle with alternating current . . 486