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 #:
000487
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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472 DO AND DO NOT WITH ROOMS AND SCREENS [Cn. XII § 642. Summary of Chapter XII: Do Do NOT 1. Use a room properly equipped for projection if good results are expected (§ 602). 2. Use light-absorbing tints for tinting and decorating the projection room (§ 604) . 3. Make all paints dull or flat, never shiny, for a projection room. 4. Light the projection room sufficiently, so that the spectators can find their seats without trouble (§ 605). 5. A perfectly darkened room is only necessary for special projection (§ 608). 6. Lamps for general lighting should be shaded or so arranged that their light cannot shine directly in the eyes of the spectators or upon the image screen (§606). 7. Have red lights near all exits (§ 607). 8. Take the necessary precautions to prevent light entering the room at the edges of the window shades (§ 611). 1. Do not expect good projection in a room not equipped for it. 2. Do not use light-reflecting colors like yellow, white, light red or green for decorating the projection room; but the dark, rich, light-absorbing colors, dark red, brown, etc. 3 . Do not use paint that gives a shiny or enamel surface, for this will produce a glare by the reflections. Use flat paint. 4. Do not have the projection room darker than necessary. 5. Do not attempt the most difficult projection unless the room can be made perfectly black. 6. Do not use unshaded lamps for the general lighting. Light shining directly in the eyes of the spectators is very distressing. 7. Do not fail to have red lights by the exits. 8. Do not leave the window shades without protection at the margins.