Living pictures; their history, photoproduction and practical working. With a digest of British patents and annotated bibliography (1899)

Record Details:

Title:
Living pictures; their history, photoproduction and practical working. With a digest of British patents and annotated bibliography
Date:
1899
Publisher:
London Optician & Photographic Trades Review
Volume:
Living pictures; their history, photoproduction and practical working. With a digest of British patents and annotated bibliography
Leaf #:
00056
Language:
English
Collection:
Books
Format:
Books
Contributor:
Robarts - University of Toronto
Sponsor:
University of Toronto
Coordinator:
Media History Digital Library
Description:
52
Date Added:
July 19, 2022
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38 LIVING PICTURES. A more compact arrangement, and one permitting continuous repetition of a series, is that in which the pictures are mounted on a revolving axle. Fig. 41 is a view of an instrument invented by the same man and called by the same name as the preceding apparatus. A series of cards sufficiently numerous to permit the representation of a continuous scene is mounted radially from an axle. These cards bear photographic enlargements 6 by 4 inches, and the whole may be rotated at any desired speed by means of a handle. Each picture is arrested momentarily by a stop, thus allowing the picture to be distinctly seen, and Fig. 42. then permitting it to fly into its normal radial position as the rotation of the axle sets its edge free. The patent (No. 14,439 of 1895) provides that a longer series may be mounted in helix on the axle, which then must be 30 arranged that it moves slowly sideways. A sub- sequent patent suggests the interposition of resilient leaves between the picture cards in order to increase and preserve their spring, and the same end may be attained by the method of mounting shown in Fig. 42. It will be seen that the form of card adopted carries the picture at a tangent, and it therefore flies over rapidly without requiring resiliency, a property not always