The Bioscope (May-June 1912)

The Bioscope, June 27, 1912. film c a minimum quantity of a wransparent adhesive medium, as it is drawn from the film box 7. A suitable ide roller k, the exact width of the inner part of the Im, is arranged to press lightly on the slips as they are fed on the sprocket. The movement of the film box e is such as to give a slight tension to the film as it leaves the sprocket drum. For three colour work three separately coloured films are prepared viz. violet-blue, red, and yellow-green, and are treated in a similar manner, but in the violet-blue film every second and third slips are re jected. In the red every first and third are rejected and in the yellow-green, every first and second. In the prepared slips we have thus alternately violet-blue, red, and yellow-green, and these are fed on the positive film truly registered as heretofore explained and in the proper sequence. The same result may be obtained by separimposing by adhesion a transparent continuous & of a suitable materia] like gelatine, celluloid or the like of the exact size of the picture film and tinted elternately with squares or oblongs of complementary green and red in such a manner and size as to exactly coincide with the proper positive pictures when laid over the positive film. For two colour kinematography the continuous coloured film may be conveniently prepared as follows and is described with reference to Figures 3 and 4. In Fig 3 a is the complementary red film and } is the complementary green one. These are perforated as before on the same machine as the black and white positive c so that the perforations coincide and the films a and } are registered in relation to the positive film ¢ as shown in Fig. 3 before being superimposed. In the red film a every alternate picture area k is cut out by a suitable machine, leaving the spaces open which correspond to the green positive pictures and in the green film ] in a similar way every alternate Picture area is cut out so that open spaces correspond to the red positive pictures. The two films a and } are now first superimposed on each other to form a single film then on to the positive film c so that we obtain a positive black and white film backed alternately with red and green, the colours corresponding to the proper positive pictures. A suitable arrangement for this purpose is shown in Fig. 4 in which a indicates the red film, } the green film, acl ce the black and white positive. A roller 4 is em loyed to brush on the adhesive binding medium on the red Bim a. In this case h represents the sprocket drum, k the guide roller, m the composite coloured film, f and g ressing and smoothing rollers, A! another sprocket drum For r ring the composite coloured film m on the black and white film ¢; f!, g! other pressing and smoothing rollers, and ¢ the film box for receiving the finished film. The motive power is taken from the sprocket h and film box e but by any suitable arrangement such as by springs in the boxes q@? 5? c? a slight tension is preserved on the three films between the sprocket A and the film boxes, and the movement of the film box e can be so adjusted that a slight tension is exerted on the finished film between the sprocket and the said film box e. For three colour kinematography we use in a similar way three coloured screens or film —violet-blue, red, and yellow-green perforated in the way already described. These films are cut in the way explained as follows. In the violet-blue every second and third picture area is cut out by a suitable machine. In the red, every first and a oe cut out, and in the yellow-green every first and second. These three screens are registered with the positive film so that the blue, green, and red areas correspond with their appropriate positive picturés and are then ‘superimposed on the positive in the same way as already described in the two colour composite film, except that three units form the single alternately coloured film which is fed on to the sprocket over the black and white film. Alternatively the four units viz. blue film, red film, yellow-green film and black and white film may be fed simultaneously over one sprocket producing the same result as described heretofore in relation to two colours. The inventor’s claims are :— ‘1. A composite positive film for use in connection with kinemat ph apparatus, in which separate transparent colour films or screens are adhesively fixed or attached to the respective colour representing positives of a black and white positive film, prepared from a negative taken through coloured screens. 2. A composite positive film for vse in connection with kinematograph apparatus, in which a black and white positive film, prepared from a negative taken through coloured screens is incorporated in the process of manufacture with other transparent films or screens or slips of suitable complementary colour which are separately cut or formed similarly to the film so that they coincide with their reaperine colour representing black and white positives on the said film. 3. In the production of a composite positive film according to the first claim, preparing the transparent coloured slips for attachment to the black and white positive, from a feratity of screen bands which are perforated along their edges to correspond with the black and white film and subsequently cut into slips or sections and selected in the manner described. 4. In the production of a composite positive film accord. ing to the first claim, preparing the transparent coloured films from continuous bands which are perforated along their edges for the purpose described and stamped out in portions where not required so as to expose the coloured portions of the next or adjacent screen or screens in their proper order when they are secured to the black and white positive. 5. In the production of composite positive films according to the preceding claima the improved apparatus for pesnbling the colour screens on the film substantially as eacribed. 6. The improved.composite film for use with kinematograph apparatus substantially as described with reference to Fig. 1 or with reference to Fig. 3 of the drawings. TROUT FARMING IN SURREY. This interesting little picture affords one an excellent idea of an unusual occupation, which is not without its romantic aspect. There are many people, douktless, who are unaware that such a thing as a trout farm existe, and there can be very few who have at all an intimate acquaintance with the metliods of procedure adopted therein. Thus the film an additional attraction of novelty, besides its intrinsic charm. The photo graphic quality is not quite sq good le might Géogle be; still, it is by no means bad, and that is the only flaw in an otherwise admirable picture. The film is 540 ft. in length and will be released by Messrs. Kineto, Limited, on July 4th. PICTURES ON THE PIER. Excellent programmes are pene submitted to patrons at the American Palace Pier, Hastings. That this form of entertainment is popular with both the natives and the holiday makers is evidenced by the throngs which flock to each performance.