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 #:
000139
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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126 THE BOOK OF THE LANTERN. camera by placing the negative to be copied in an opening in the board, F, marked by a dotted line in the illustra- tion. A couple of laths can then be placed above, so as to rest at one end on the camera, and at the other end on the top of the board, F. These laths will serve as a support FIG. 41. for a dark cloth, which can be thrown over all. A sloping piece of white cardboard placed behind F (also indicated by a dotted line) will throw reflected light from the sky through the negative. I give no dimensions for this copy- ing machine, for the maker must be guided by the size of his camera, the focus of his lens, and his general requirements. A compound frame for negatives of various sizes, as shown in fig. 41, makes this copying-machine complete.