The international photographer (Jan-Dec 1938)

22 — October, 1938 INTERNATIONAL Cut Picture Costs With TYPE T-5 STUDIO SPOT More than double your light per unit BARDWELL McALISTER, Inc. Motion Picture Electrical Equipment 7636 Santa Monica Boulevard HOIIywood 6235 HOLLYWOOD, CALIF. Camera Supply Company EFFICIENT COURTEOUS SERVICE Gordon Bennett, Manager EVERYTHING PHOTOGRAPHIC Professional and Amateur New and Used Equipment Bought, Sold and Rented ART REEVES Camera Supply Company 15 f 5 No. cahuenga Blvd. Hollywood California Cable Address: "CAMERAS" In i r it*?pw 11 m \ In WorU-Wi<U Us* HT--.. i fl| pr^dci^r<z (^l^cnli^KV and (\)i^hf ■ Effects id Daytime -F<?*) Scenes 1 Diffused Fo^-us and many wlKeriffrcfs I ■ USE THEM M IN EVEHY J ■L PRO in not. J Gcorqc H. Scheibe ORIGINATOR OF EFFECT FILTERS 1927 WEST 78™ ST. LOS ANGELES. CAL. 1 JACK O'HARE CAMERA CARS & ELECTRIC HORSE 5418 Sierra Vista HOLLYWOOD Phone HO. 9862 No. 2,122,890 — Projection Screen and Art of Producing It. David F. Newman, assignor to Trans-Lux Corp. Application July 16, 1932. 8 Claims. (CI. 88-24) A projection screen comprising a sheet-like translucent body, and a plurality of layers of lightdiffusing material associated with said translucent body, one of said layers being a fabric sheet and another of said layers being formed from finely divided material. No. 2,122,946 — Film Feeding Mechanism. Pedro Lire. Santiago, Chile. Application Dec. 30, 1935. 4 Claims. (CI. 88-18) A film feeder having a reciprocating film carrier, a rocker for producing and transmitting reciprocating motion to the film carrier, and a compressed air operated piston and cylinder means for continuously forcing a contact between the rocker and the film carrier. No. 2,123,445 — Film Developing Apparatus. John F. Van Leuven, Los Angeles, Calif. Application Sept. 7, 1937. 15 Claims. (CI. 271-2.3) A motion picture film developing device wherein the film passes over a spool so as to force the spool against a drive roller when the film is shortened. No. 2,123,529 — Apparatus for Making Process Shots in Motion Picture Photography. Stephen Goosson, assignor to Columbia Pictures Corp. of Calif., Ltd. Application April 3, 1936. 4 Claims. (CI. 88-16) An apparatus for making process shots in motion picture photography ; a stage floor ; a supporting member pivotally mounted at one end to swing horizontally over the floor ; camera, screen and projector units suspended from the supporting member in that order and means for moving said units relative to each other free of the floor ; and means for swinging the supporting member. No. 2,124,106 — Apparatus for Developing Films. Glen M. Dye, Minneapolis, Minn. Application Dec. 31, 1934. 21 Claims. (CI. 95-89) A machine for developing films, having receptacles for holding developer, etc., a conveyor with carriers for immersing the film in one receptacle, raising the film, advancing it, and lowering it into the next receptacle, a device for imparting a series of vertical reciprocating movements to the film while it is in the receptacle, and a series of light baffles to prevent fogging of the film. No. 2,124,139 — Apparatus for Projecting Lenticular Film. John Eggert and Gerd Heymer, Germany, assignors to I. G. Farbenindustrie Aktiengesellschaft, Farnkfort-on-themain, Germany. Application Nov. 3, 1934. In Germany Nov. 8, 1933. 4 Claims. (CI. 88-16.4) Apparatus for projecing motion pictures in natural colors comprising a source of light, a cylindrically lenticulated film bearing color records the lenticular side of which film faces the light source, said film being positioned in an apertured film gate, a prism grating movable in the vicinity of and in a plane parallel to the film gate aperture and composed of a plurality of prisms which are wider than the lenticulations of the film, the individual prisms being radially arranged as a ring about the periphery of a disc, the axis of rotation of the ring being parallel to the central axis of the film gate, said grating being movably supported between the light source and the film in a plane parallel to the film with the prism spectrum including the range of colors from the extreme blue to the extreme red imaged by each lenticulation in register with the color filter records back of the lenticulation and with the long axis of one of the prisms of said grating which fall directly between the light source and the central axis of the film gate parallel to the film lenticulations, and means for rapidly moving the prism grating in said plane so that said prisms move in a direction substantially transversely to the film lenticula