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/lit39438/738/
730 OPTIC PROJECTION 
Ultra-violet, quartz optical sys¬ 
tem for.............641-642 
radiation..........567,641-642 
projection of...........640- 642 
United States Geological Survey 147 
Units of alternating current. 484-486 
Units of direct current......475-483 
Units of electricity.........475. 484 
University of Pennsylvania and 
animal movement ....... 6S2 
Unpacking moving picture ma¬ 
chine................... 401 
Uranium arc for spectra........ 628 
when in the positive, and 
when in the negative elec¬ 
trode................... 640 
Valspar varnish for water cells 
2°5, 264 
Varnishing lantern slides....... 205 
Vertical microscope for high 
powers................. 283 
Vertical knife switch.......... 516 
Vertical projection............ 33 
Violet lines in arc stream....... 546 
Visibility of objects........... 227 
Vision, daylight and twilight 
121, 175. 444 
Vision, experiments with normal 
651-659 
defective..............659-672 
persist nee of in moving pic¬ 
tures .................. 
Visual angle.................. 228 
Voigtländer und Sohn......226, 250 
Volt and voltage...........476, 484 
Voltage, alternating current. .. . 484 
by Ohm’s law............. 521 
intermediate.............. 544 
of line anti arc............. 544 
of line, voltmeter connections 475 
not present in the line....... 46 
Voltmeter, connection for arc 
voltage ................ 476 
connection to circuit........ 478 
direct current.............. 478 
for line voltage............ 475 
for polarity testing......... 508 
soft cored................. 510 
Walgensten.............3, 675-677 
Wall diagrams.............329, 355 
Wall receptacle.............86, 503 
Water-cell, 13, 15, 18, 57, 63, 71, 161, 
194, 222-223, 237, 239-240, 
264-266, 276-277, 281-282, 
287. 299, 301, 309, 355. 365. 
421, 432, 571, 592, 604-609 
absorption of radiant heat not 
affected by temperature... 606 
effect of alum, etc. in....... 607 
efficiency..............568-569 
light and energy absorbed by 
604-607 
in micro-projection......... 237 
the microscope stage in.....608 
how to make..... ......... 264 
need in moving pictures. .421,432 
with ordinary microscope*. . . 266 
position in micro-projec¬ 
tion.................239. 240 
shadow from.............. 57 
stage .................239-240 
sunlight.................. 161 
sun and micro-projection.... 287 
with two-lens condenser. .365,421 
Water cooled rheostat......... 527 
Waterhouse, Gen. J........... 673 
Watt, and wattmeter.477, 482-483 
Watts, alternating current..... 485 
equal volts times amperes 
477.521 
Wattmeter................482-483 
amperage by.............. 483 
connecting ............. 482 
power at arc by............ 482 
power from dvnamo........ 483 
White, Dr. A. C.'.............. 673 
White-washed wall screen...... 455 
Wiedemann’s Annalen...... 647 
Williams, Brown & Karle 
59, 91, 107,130, 131, 182, 183, 300 
Wimmer....................9. 202 
Winding and rewinding moving 
picture film............. 430 
Widow in lamp-house 
72,267,402-403 
Window shades for darkening 
the room............445-447 
Wires for the electric circuit. 496-505 
how to connect............ 503 
insulation of...........497-498 
wrong polarity......51, 506-511 
Wiring the are lamp, 10, 13, 15. 71 • 
84, 263, 324, 339-340. 399,496- 
535, 639
        

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