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 #:
00038
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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20 LIVING FICTUEES. however, needed a full-sized painting for every effect, and was not of the ordinary magic-lantern nature; the separate pictures not being projected, but only illuminated intermittently. A single and therefore larger figure than that given by the Wheel of Life was subsequently projected on the screen by the same inventor, whose " Dancing Skeleton " was a great success. A disc was used, rotating in front of a lantern condenser; but this disc, instead of being formed of glass, was of thin sheet metal, the figures of a skeleton in various attitudes being cut out, stencil fashion, round the margin. These necessarily brilliant white figures were projected on the screen in the usual way by an objective, the light being cut off by an interruptor (geared from the axle of the disc) during the period of change. Mr. Beale also constructed this, instrument with the stencil figures on a long slip,, performing the necessary eclipses by a rising and falling shutter, the whole arrangement being called by him the Choreutoscope. An improved form of this device was patented by Hughes (1884), and is applicable to any Fig. 15. ordinary optical lantern. Fig. 15 shows the working- parts. Turning the handle revolves a disc, a pin on which raises the shutter and so interrupts the light. Teeth on the disc then come into play, shifting the long slide one stage, and so soon as it comes to rest the shutter drops and exposes the picture. A continuous.