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/lit39438/413/
CA. XI] 
MOVING PICTURE APPARATUS 
405 
directly in front of the condenser. This is not a good plan as it 
cuts down the light from the condenser, and as the opening is not 
round but a quadrangle it often leads to queer shadows on the 
screen. Some makers provide a stationary slide-carrier opposite 
the magic lantern objective so that the whole face of the condenser 
is free when it is opposite the moving picture objective; this is a 
better method than the above. 
F Hi. 224. Double Dissolving Model C Balopticon with Edison- 
Moving Picture Attachment. 
(Cut loaned by the Bausch or Lomb Optical Co.). 
§ 569. The moving picture head.—This contains all of the ele¬ 
ments of the moving picture machine except the arrangement for 
lighting. The moving picture head holds the objective and con¬ 
tains the film-moving mechanism and the aperture plate. 
§ 570. Aperture plate.—Considered optically the aperture plate 
which serves as a frame for the picture on the film is the most 
important part of the moving picture head.
        

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