The Bioscope (July-Aug 1912)

The Buoscope, Jury 11, 1912. spindles or pins which are provided with bent portions or cranks fh A outside of the holder body. To enable the film to pass out easily from the hold=r a small guide roJer 2 is mounted on a pin carried by the tody portion and may project partly through an opening jy in the walld there being a corresponding opening in the cover b. To prevent the film being damaged the opening j in the body portion a may have,one edge turned outwardly, as at k, and protected by a piece of velvet or the like U. The holder in the form shown has also a recess or cut sway part m formed in the walls of the body portion and the cover and also an opening n for the film to pass through auch opening appearing also in the cover. The recess or the like in this case is adapted to receive the usual] sprocket wheel w of the projecting or taking appeen such wheel being for the purpose of propelling the 3 The body portion a and the cover b are substantia!ly the same in construction the latter having side walls b+ inside of which the body portion passes so that the holder is a substantially encl one. The form of film shown is provided with notches on its edges with which the two rows of pins of the sprocket engage and such film may have if desired a _ portion at or near one end arranged for focussing purposes. In this case the sprocket wheel draws the film from one roll past the opening f and a suitable part of the mechanism such as an arm or pin engages one of the cranks h and winds the film on to a roller g the other crank fh being put into engagement with a further pin when desired for rolling the film back again on to the roller g it started from. The recess enables the holder to be readily placed in position in the apparatus to bring the film into effective contact with the sprocket wheel and so that the film can be kept comparatively close to the opening f. It will be evident that a similar roller to i could be placed in the chamber A to perm:t of the easy passage of the film if required aud also that the recess or cut away part m may be omitted, the two sides of the box substantially corresponding in form. Further that springs could be employed outside of the case to keep the film in contact with the outside wall of the cover and with the opening f and also to put a tension on the film which tension is also obtained by the pressure between the roller i and velvet 1. In a modified form of the holder the film does not come outside of the case through openings but remains inside and passes the rear face of the opening f, rollers or springs inside being employed to guide or tension it or both. In the form shown in Figs. 3 and 4 the holder is formed more ag a clamp for the rollers, being in this case two plates 0, p. the latter being bent and having flanges g which are secured to the ends of the plate o. One of these plates may carry if desired internal walls such as r r secured to it by soldering or otherwise if the holder is of metal to form the enclosed passage for the light to ke directed through in the case of projecting or for viewing and the two plates together may carry the pins of two rollers . Machine with whi 113 ss ever which the film e may pass to direct it over the light projecting opening formed by the plates ‘r r. The rollers g' g' may be provided with the cranks A! h! on their spindles, and the plates of which the holder is composed may be cut away or recessed as at m! to allow of the holder a passed overt the sprocket wheel w. This form of holder being less of a casing does. not_protect the film from dust, damage or fire so efficiently as that” previously described but is effective in providing means for maintaining the film in line, for projecting through it, or viewing, for focussing, for preventing’ the film coming unrolled, and for winding or unwinding. tia In the case of a sensitised film where negatives for example are to Pe obtained, the holder would preferably be enclosed in # c&sing or body of a camera carrying the lens in one wall and opposite to same a door so that focussing can be done through the case and holder when the door is open and taking be done in the light tight case when the door is closéd. The camera would be provided with means for driving or winding and unwinding the film or means to engage any of those carried by the holder for this purpose. It will be obvious that various forms may be given to the exterior of the holder or frame as well as to the parts directing the film or pomene of. light the constructions shown being by way of example only. Thus for a holder for taking or negative purposes if the parts. where the film comes outside, or passes across the opening are tight against os leakage, such holder may be used like an ordinary dark slide in daylight in conjunction with a camera. The inventors’ claims are: 1. A. self contained roll film or like carrier comprising a light holder having a_ sight hole or light passage entirely through same and rollers for the film or the like said rollers being provided with means for driving them, or one of them, from the outside of the carrier which is by its construction adapted to contain and protect a film during storage and sale and also to act as a mount or support for it on the machine without preparation for such purpose. 2. A self contained roll film or like carrier as claimed in the preceding ciaim having a recess or cut away portion into which a ag of the driving meckaniam of the ch it is used can enter, so that the film or strip can pasa over such driving mechanism to engage therewith. 3. A self contained carrier as claimed in the Claim 1 composed of a bottom and lid and side walls open at the poids places the said side walls passing one within the other 4. A carrier as claimed in Claim 1 in which the light passage through the same is provided with directing walls, and an opening approximating the size of the picture. 5. Improved carriers for the Rileen described constructed substantially as described and illustrated in the drawings. TWO SEATING PATENTS. Messrs. Whiting and Bosisto, the well-known theatre furniture manufacturers, have patented two new devices in connection with seating arrangements. In one, an improved chair standard, the arm pad has been elotted into the standard, thus ensuring perfect rigidity of the arm. The second patent is for an automatic tip-up seat, the spring lying close beneath the seat. By this means people sitting in the row behind are unable to disconnect. the springs with their fect, as Co so often done. oogle TRANSPARENT PAINTINGS. Some beautiful transparencies are being added to the picture theatre which Mr. Slope is building at Chiswick. Illuminated oil paintings, reproduc ing old masters, with local scenes, make a very acceptable form of decoration, and undoubtedly enhance the drawing power of the modern picture hall. Mr. Slope evidently realised this, and is quite satisfied with those supplied by the Transparent Paintings Company, 212, Kenningion Road, 8.0.