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

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DIAGRAM ILLUSIONS, 37 Opening in its face, under which a set of cards are passed, these being arranged in a series on a flat plate. This plate can be sUd along the interior of the receptacle by means of a handle passing through a slot, as seen in Fig. 39, and each card is held back by a stop in order to allow it to be inspected. When the edge of the card is drawn over the stop, the whole rapidly flies past the opening into its normal position, leaving the next picture in full view. Another form of this apparatus is shown in Fig. 40, where the cards are seen mounted on a band in such a manner that one only projects from the top of the casing at a time. The whole series may be pulled over at any desired speed by means of a ring shown at bottom, the Fig. 40. Fig. 4r. band of views being returned by the action of an opposed spring.