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 #:
000209
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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1 94 PROJECTION OF IMAGES OF OPAQUE OBJECTS [CH. VII zontal position the image will only be erect with the screen at right angles to the axis of the objective, no mirror or prism being used. If a mirror or prism is used to project upon a vertical screen then a translucent screen will give a mirror image, but an opaque screen an erect image. FIG. 109. DIAGRAM FHOWING THE PARTS AND COURSE OF THE RAYS IN* MODEL 4-5 DELINEASCOPE. (Cut loaned by the Spencer Lens Co.). This diagram shows the arc lamp and first element of the condenser in position to illuminate a vertical object in opaque projection. Above is shown in outline the course of the rays for the projection microscope or the magic lantern. Commencing at the left : OH The object holder for objects 15 x 23 cm., 6x9 in. II Handle for operating the object holder. X The horizontal axis on which rotates the arc lamp and the first element of the condenser. OO The large projection objective for opaque objects. WC Water-cell for removing the radiant heat. ID Large iris diaphragm. L Lantern slide, and crank for turning the slide up in the vertical position in front of the condenser behind the objective. P Platform on which is laid the lantern slide. LO Lantern-slide objective turned to one side to allow the microscope to get to the horizontal position. M Mirror to reflect the horizontal beam of light through the vertical microscope.