Bauhaus-Universität Weimar

Titel:
Optic Projection: Principles, Installation and Use of the Magic Lantern, Projection Microscope, Reflecting Lantern, Moving Picture Machine
Person:
Gage, Henry Simon and Henry Phelps Gage
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit39438/713/
INDEX 
Page 
Abbe diffraction theory.....644-647 
apparatus for.............. 644 
demonstrating to an audience 
and to an individual. . . 646-647 
grating needed for.......... 644 
light for.................. 646 
Abt)e substage condenser 
273, 280, 626 
Abbott, the Sun.............. 139 
Aberration, chromatic and 
spherical ............580-583 
maximum and minimum.582, 589 
Absolute temperature......... 547 
Absorption spectra.........637-638 
comparison spectrum with 
637-638 
glass box for use with....... 637 
substances for..........637-638 
Accommodation in vision 
651, 656-659 
Kepler’s theory of.......... 657 
lantern slide for experiments 656 
necessity for.............. 657 
produced by muscular effort 659 
Schemer’s theory.......... 658 
Acetylene, flame and lamp. .127-130 
amount in prestolite tank... 129 
position of lamp........... 128 
summary................. 135 
Achromatic and aplanatic com¬ 
binations ...........581-583 
substage condenser......272, 626 
Adam’s Essays............... 142 
Adapters for small carbons in 
large lamp............. 80 
Advertising Magic Lanterns. .. . 435 
a-k on microscope slide.....361, 387 
Alcohol, burner............... 130 
ethyl, methyl and denatured 
supply . .'.............. 130 
Alcohol lamp................. 131 
lighting.................. 131 
precautions, with.......... 133 
putting out............... 133 
summary for use........... 137 
Alco-radiant.............. 130 
Alternating current........... 475 
advantages............... 475 
Page 
amperage ................ 484 
arc...................... 54s 
arc, form of lamp.......... 68 
ballast with............... 544 
carbons for............87,552 
cycle .................... 486 
disadvantages with arc lamp 
68, 475 
frequency................. 486 
how produced............. 475 
magic lantern with.....68-77, 87 
micro-projection with...... 284 
power factor with.......... 485 
radiant efficiency of arc. . 568-569 
summary for use with the 
magic lantern........... 76 
units of................... 484 
voltage .................. 484 
watts with...............485 
wiring.................69, 512 
Ambronn’s Handbuch, Astrono¬ 
mische Instrumente...... 138 
American, Institute of Electrical 
Engineers............... 5°° 
Journal of Science.......... 157 
lantern slides...........200, 201 
Microscopical Society...... 383 
Ammeter.................479, 510 
alternating current......... 73 
connections............480-482 
direct current...........11, 481 
does not register.........52, 510 
external shunt............. 479 
in projection...........236, 481 
need in micro-projection -. . . 236 
precautions for use......... 481 
self-contained shunt........ 479 
soft-cored................. 510 
to measure current......... 479 
testing polarity with.....509, 510 
Amperage................476, 484 
alternating current......... 484 
carrying capacity of copper 
wires .................. 500 
cords and cables........... 501 
for different forms of projec¬ 
tion ................... 500 
found by Ohm's law.....521-522
        

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