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 #:
000156
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. VI] HELIOSTATS FOR THE MAGIC LANTERN 141 ported by a framework. This frame should be hinged so that it can be moved from the horizontal up to the vertical position. It must also be so mounted that it can be rotated around at right angles to the hinge motion. FlG. 75. PORTE-LUMIKRE WITH PLANO-CONVEX LENS AND PROJECTION OBJECTIVE. (Cut loaned by the C. II. Stoelting Co.}. The mirror for the reflection of the sunlight into the condenser is moved as necessary by the milled head just above the condenser. The two movements arc made by hand as often as needed while one is using the apparatus. In the original forms of Cuff and Adams (1744-1746, fig. /5a), and in some modern forms, there are two handles or milled heads extending into the projection room; with one of them the operator can raise or lower the mirror on its hinges, and by the other he can rotate it on the other axis. In the form here shown there is but one handle. This serves as a crank