The book of lantern ; being a practical guide to the working of the optical (1888)

Record Details:

Title:
The book of lantern ; being a practical guide to the working of the optical
Date:
1888
Publisher:
London : Wyman & Sons
Volume:
The book of lantern ; being a practical guide to the working of the optical (or magic) lantern ; with full and precise directions for making and colouring lantern pictures
Leaf #:
000101
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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88 THE BOOK OP THE LA.NTERN. We shall now see the advantage of the eyelet-holes or rings at the sides of the sheet. Fastening a piece of string to the top eyelet-hole at one side,—and this is better done before the sheet is pulled into position,—allow that string to embrace the supporting cord, next let it pass through the nearest eyelet-hole, then again round the cord, and so on until the bottom of the sheet is reached. By this lacing method the sheet can be rendered almost as flat as a board, and presents the best possible kind of surface so far as a sheet can give it for showing lantern pictures well. Some little judgment must be exercised as to the best position for the upper screw-eyes. Of course, in practice, difficulties are apt to occur. The best position may be one which the ladder available will not reach. Again, it is often the case that screw-eyes may be found already in position, and the owners of public halls have a righteous Fig. 35. A B objection to holes being made, even to the tiny ones necessary for fresh screw-eyes. In such a case the