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 #:
00070
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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52 LIVING PICTURES. Fig. 52. with a change of local position. Le Prince, working on this principle, in 1888 approached the modern type very closely in appearance, but in appearance only. As will be seen from Fig. 52, he employed a battery of sixteen lenses acting on two sensitive bands, wound from one pair of rollers to another, the two films being side by side. The eight lenses facing one film were released in rapid succession, somewhat over- lapping in point of time ; the other series of eight lenses were then dis- charged, during which time the first film was moved on ready to receive another eight pictures ; each film being clamped by a cam-actuated frame during exposure. These exposures were made overlapping in point of time; that is to say, one lens was always opened before the pre- ceding one was shut-off, and when used for pro- jection, as in Fig. 53, this same principle was followed, and therefore no period of darkness occurred between the respective separate pic- tures. The complicated nature of the shutter mechanism is shown in Fig. 54, the individual shutters being set in action by partially toothed wheels, rotated in common, but acting at different times by reason of the varying position of F'G 53.