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 #:
000201
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 86 PROJECTION OF IMAGES OF OPAQUE OBJECTS [Cn. VII § 290. Precaution for heavy currents. — The lamps for heavy currents are mostly of the hand-feed type and burn large carbons. When starting the lamp it is much safer to make sure that the carbons are separated before closing the knife switch. Then one can use the feeding screws and bring the carbons together to strike the arc, and separate them a short distance immediately. If the FIG. 103. DIAGRAM OF THE PARTS AND COURSE OF THE RAYS IN THE UNIVERSAL PROJECTOSCOPE FOR OPAQUE AND LANTERN-SLIDE PROJECTION. (Cut loaned by the C. II. Sloelting Company). The instrument is here arranged for the projection of opaque objects. The mirror, Af,, reflects the parallel beam from the first element of the condenser (C), down on the horizontally placed object. The large aperture projection objective directly above, and the 45° mirror beyond, project the image upon the screen. Ordinary lantern-slide projection is shown by the broken lines, (for a detailed description of all the parts see fig. 16).