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 #:
000460
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. XII] DARKENING THE PROJECTION R B C i — — — — — — 1 i 1 ()( ? DM 44 'i A w '\ / 5: T n sh r1 «$;;; SH ;>.-. '— ) (~ i N ':Sh \ V \ ' 1 w •<! P CrG f w ] V) ' I i P FIG. 238. FACE AND SECTIONAL VIEW OF WINDOW SHADES PLANNED FOR IN THE CONSTRUCTION OF THE BUILDING. A Cross section showing the window shade (Sh) in the grooves (W W) at the sides. B Face view of the window with the shade (Sh) shown by dotted lines. C Sectional view of the window showing the window sashes (W S), the ordinary window curtains (Cr) close to the sash, and the window shade (Sh) considerably in front of the curtain, i. e., near the front of the window frame. The coping over the window is shown by dotted lines as turned down. This exposes the shade roller so that it can be adjusted if it gets out of order. The window shade is shown as drawn down, and the shade string goes over a pulley (P) and is caught in a fork-like holder (C) in front of the window frame.