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 #:
000303
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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288 HOME-MADE PROJECTION APPARATUS [CH. IX the work to be done. For the work of micro-projection, drawing, etc., contemplated in this and the following chapter a table of the following dimensions has served admirably: Height, 100 centimeters (40 in.). Size of top 125 cm. (50 in.) long; 50 cm. (20 in.) wide. The legs are about 5 cm. (2 in.) square, and have large screw eyes in the lower ends for leveling. The table should be FIG. 158. HOME-MADE OPTICAL BENCH. t t t t The track of rods or tubes on the baseboard. Radiant The block carrying the arc lamp. as Asbestos paper between the track rods at the arc lamp end of the optical bench. Condenser The block carrying the condenser. Stage The block carrying the stage of the projection apparatus or the lantern-slide holder. Microscope The block carrying the projection microscope or the lantern slide or other projection objective. //// The railing flanges holding the sockets. base The baseboard. rigidly made so that there will be a minimum of vibration. If the table vibrates there is a disagreeable trembling of the screen image. (For pictures of such a table see fig. 133, 182). Carrying out the precautions against reflections from light surfaces, the table is made dull black or brown. This is easily accomplished by using some dull black paint like "dead-black Japalac" or other dull black, or dull brown paint, thinned somewhat with turpentine. The anilin black stain used for laboratory tables is also most excellent (ยง 424a). To the projection table should be fastened the rheostat, and the ammeter, if one is used ; also the lamp switch and the incandescent lamp (fig. 133). Then the table can be moved from one place to