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 #:
00099
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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90 SCIOPTICON MANUAL. or diamonds, say a fourth of an inch in diameter, and covering them with bits of colored gelatine, or by simply using the tinters of the Sciopticon, many curious effects in complementary colors may be obtained. FAIRY FOUNTAIN. —The effect of what is known as the tl Fairy Fountain " can be prettily illustrated in the fol- lowing manner: A small table fountain is placed at a distance of about four feet in front of the lantern; by curtains or otherwise the lantern is then hidden from the spectators, so that they see only the fountain illumi- nated by the rays coming from the lantern. When the fountain is made to play, every drop seems transformed into a diamond, and by passing colored glass in front of the lantern the effect is striking and beautiful; but when the rays from a bisulphide of carbon prism are allowed to fall on it, then is the best effect produced. THE KAINBOW. —A card with a curved slit, one-six- teenth of an inch (Fig. 29), will throw on the screen a simple semicircle of white light; but when a prism is held in front of the ob- jective, the bow at once assumes all the natural colors of the rainbow. As the direction of the rays is changed, the range of mg ' 29 ' the instrument has to be elevated, to bring the bow upon the screen. By using two lanterns, projecting a view with one and the bow with the other, a very natural effect may be produced. A MAGNET AND IRON FILINGS. —Fix a small magnet to a glass slide, and carefully arrange a funnel opening