The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular (1877)

Record Details:

Title:
The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular
Date:
1877
Publisher:
Philadelphia, J. A. Moore
Volume:
The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular
Leaf #:
00086
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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SCIOPTICON MANUAL. 77 treatment. It is not damaged in the least, but ready to make its mark again as often as it is necessary. This leaden mould is the typo that prints the picture, a solution of gelatine and India-ink being poured over it before the glass is placed in position. A slight pressure is given in a press of peculiar con- struction, squeezing out the surplus ink; a few minutes is allowed the ink to set, when the glass, being removed, brings with it the delicate gelatine picture, which is well named " Excelsior/' CHAPTEE YL COLORING SLIDES. WRITTEN FOB THE SCIOPTICON MANUAL. THE magic lantern has caused much astonishment and delight from its origin to the present time. The pictures or slides for it were formerly drawn or painted on glass, and when magnified by the lantern lens, even the most minute lines looked coarse, and every imper- fection was brought out. Much time and care, therefore, were requisite to make fine pictures, so that they were comparatively rare and expensive, while the coarser ones abounded; thus the lantern came to be regarded as a toy, fit only for the amusement of children. An instrument, however, so well calculated to aid in the advancement of science and education, on account of the size of the diagram that may be represented on the disk, and the fact that the attention of an audience is better secured when the only object visible is the dia-