Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

Record Details:

Title:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures
Date:
1914
Author:
Gage, Simon Henry, 1851-1946
Publisher:
Ithaca, N.Y. : Comstock Publishing Co.
Volume:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures
Leaf #:
000206
Language:
English
Format:
Books
Contributor:
Gerstein - University of Toronto
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Bibliography: p. 693-703
Date Added:
July 19, 2022
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CH. VII] PROJECTION OF IMAGES OF OPAQUE OBJECTS 191 FIG. 106. NEW MODEL UNIVERSAL BALOPTICON IN POSITION FOR OPAQUE PROJECTION. (Cut loaned by the Bausch & Lomb Optical Co.). Opaque objects are placed in a horizontal position and the lamp-house, lamp and first element of the condenser are inclined as in fig. 105. The light from the opaque object is reflected upward to the right face of an inclined mirror and from the mirror reflected out through the projection objective, giving an erect screen image. When used for lantern slides the lamp-house is horizontal and the horizontal light is reflected upward by the left face of the mirror to the mirror at the left of the lantern-slide attachment. This second mirror reflects the light horizontally through the lantern slide. the object will be erect in every way (fig. 95-111). (See also the discussion of the reflecting lantern of Thompson in which a mirror image is projected, and hence appears erect on the screen (fig. 97, 100). If a translucent screen is used with the object in a hori