The international photographer (Jan-Dec 1938)

PHOTOGRAPHER june, 193 8 — 35 PATENT ATTORNEYS ROBERT W. FULWIDER 5225 Wilshire Blvd., L. A. (ORegon 1265) PROCESS PHOTOGRAPHY Patent* MOTION PICTURE PROCESS CORP. 1117 No. McCadden Pl„ Holly'd. (Temp. Phone HI. 6375) GEORGE TEAGUE 4475 9ta. Monica Blvd., Hollywood, (OL. 1886) PHOTOGRAPHERS VIEW AND NEWS PHOTOGRAPHERS National View. Box 85-G, Winona, Minn. PRODUCTION SERVICE HOLLYWOOD SCREEN SERVICE (James R. Palmer) (James R. Palmer) c/o International Photographer. (HI. 8614) PROJECTION INTERNATIONAL PROJECTOR CORP. 88-96 Gold St., N. Y. SCREENS FLAT LIGHT SCREEN CO. 6233^ Santa Monica Blvd., Holly'd. (HI. 6392) SOUND EQUIPMENT BLUE SEAL SOUND DEVICES 723 7th Ave., N. Y. CANADY SOUND APPLIANCE CO. 19570 So. Sagamore Road, Cleveland, Ohio. C. R. SKINNER MFG. CO. 290 Turk St., San Francisco. (ORdway 6909) GLEN GLENN SOUND CO. 4516 Sunset Blvd., Hollywood. (OL. 2131) ART REEVES 7512 Santa Monica Blvd. COMPLETE DODGE SOUND TRUCK, ready for production — Blue Seal Variray variable area recording system — converter, mike boom, extension mixer, batteries, cables, all accessories; guaranteed. BLUE SEAL SOUND DEVICES, INC. 723 Seventh Ave. New York City USED FILM BUYERS HORN-JEFFERYS & CO. Burbank, Calif. (HEmpstead 1622) WANTED — TO BUY WANTED TO BUY FOR CASH CAMERAS AND ACCESSORIES MITCHELL, B & H, EYEMO, DEBRIE, AKELEY ALSO LABORATORY AND CUTTING ROOM EQUIPMENT CAMERA EQUIPMENT. INC. 1600 BROADWAY NEW YORK CITY CABLE: CINEQUIP WANTED — We pay cash for everything photographic. Send full information and lowest cash prices. Hollywood Camera Exchange, 1600 Cahuenga Blvd., Hollywood, California. WE PAY CASH FOR YOUR USED CAMERA, LABORATORY AND STUDIO EQUIPMENT. Write, wire or cable MOTION PICTURE CAMERA SUPPLY, INC. 723 Seventh Avenue, New York City Last month the following patents of interest to readers of International Photographer were issued by the U. S. Patent Office. These selections and brief descriptions of new patents were prepared by Robert W. Fulwider, wellknown Los Angeles attorney, specializing in patent and trade mark counsel. No. 2,115,153 — Optical System. Merrill Waide, New York, N. Y., assignor, by mesne assignments, to Opticolor, Inc., New York, N. Y., a corporation of New York. Original application March 1, 1930, Serial No. 432,325. Divided and this application Aug. 20, 1934, Serial No. 740,588. 4 Claims. (CI. 88-1) An optical system for color cameras and projectors for additive color systems which includes a combination of lenses to divide the light into two parallel rays without a light splitting mirror. No. 2,115,339 — Photographic Plate. Ralph Bryant Mason, New Kensington, Pa., assignor to Aluminum Co. of America, Pittsburgh, Pa., a corporation of Pa., application Oct. 21, 19 32, Serial No. 639,851. 8 Claims. (CI. 95-8) An aluminum photographic plate comprising an aluminum surface provided with a coating consisting substantially of aluminum oxide in combination with a photo-sensitive salt. No. 2,115,394 — Photographic Color-Forming Compounds. Leopold D. Marines, Leopold Godowsky, Jr., and Willard D. Peterson, Rochester, N. Y., assignors to Eastman Kodak Co., Rochester, N. Y., a corporation of New Jersey. No drawing. Application Oct. 14, 1936, Serial No. 105,617. 12 Claims. (CI. 95-88) A color-forming photographic developer comprising an aromatic amino developing compound containing a primary amino group and a coupler compound having the formula R-CO-CFL-CN, where R is selected from the class consisting of acenaphthenvl, dibenzofuryl, coumaronyl, and phenoxyphenyl groups. No. 2,115,738 — Film Feeding Mechanism. William J. Morrissey, Brooklyn, N. Y. Original application June 3, 1933, Serial No. 674,127. Divided and this application March 28, 1934, Serial No. 717,785. 6 Claims. (CI. 271-2.3) Feeding means comprising a drum-like tilm supporting member and a circular rotating member correlated therewith so that tooth ripple is damped out. No. 2,115,886 — Color Photography. Chalmers C. Smith, Glendale, and Ray H. Pinker, Los Angeles, Calif. Application Jan. 8, 1936, Serial No. 58,108. 6 Claims. (CI. 95-2) Means for recording colored objects comprising a mosaic screen of mixed blood corpuscles dyed in differing colors, and a light sensitive material positioned to receive light passing through said screen. No. 2,116,826 — Process of Making Composite Pictures. Wlliam Vernon Draper and Prank William Young, Palms, Calif., assignors to one-third to Charles L. Stokes, Los Angeles, Calif. Application July 2, 1934, Serial No. 733,470. 10 Claims. (CI. 88-16) A process which comprises producing an image on part of the emulsion and fogging the balance thereof, developing, fixing, and resensitizing the emulsion, re-exposing the image alone, and then printing a different image on the rest of the film and developing and fixing. No. Reissue 20,678 — Apparatus for Making Color Motion Pictures and Cameras Therefor. Otto C. Gilmore, Los Angeles, California, assignor, by means of mesne assignments, to Cinemacolor Corporation, Chicago, 111., a corporation of Delaware. Original No. 1,978,789, dated Oct. 30, 1934, Serial No. 316,902, Nov. 3, 1928. Application for reissue Aug. 17, 1936, Serial No. 96,531. 2 Claims. (CI. 88-1) A prism assembly for converting an ordinary camera into a beam-splitting color camera. No. 2,112,226 — Tripack. Walter Dewey Baldtiefen. Raritan Township, Middlesex County, and John Ran Weber, South River, N. J., assignors to Du Pont Film Manufacturing Corp., New York, N. Y., a corporation of Delaware. Application Oct. 24, 1936, Serial No. 107,484. 2 Claims. (CI. 95-2) A tripack negative for color photography comprising a yellow dyed blue sensitive film, a red dyed green sensitive film, and a red sensitive film with a greenish blue anti-halation layer. No. 2,112-894 — Film Motion Filter. Harold J. Hasbrouck, Jr., Merchantville, N. J., assignor to United Research Corporation, Burbank, California, a corporation of Delaware. Application March 28, 1936, Serial No. 71,532. 13 Claims. (CI. 271-2.3) A stabilizer for film advancing means comprising a sliding friction damper located in a loop of said film offering substantially constant counterforce over a certain range of velocities. No. 2,113,182 — Cinematograph Apparatus. Gordon Broivn Scheibell, Millburn, N. J. Application April 18, 1935, Serial No. 16,955. In Canada Nov. 20, 1931. 7 Claims. (CI. 88-17) A manually settable automatic mechanism for controlling the effective operation of a rotary film driving means. No. 2,113,184 — Method of Recording and Reproducing Sound on Film. George Sperti, Covington, Ky. Application Nov. 23, 1934, Serial No. 754,505. 5 Claims. (CI. 179-100.3) Reproducing apparatus having an optical wedge adjacent to the film and means for moving the wedge in accordance with lateral movements of film. No. 2,113,193 — Light Sensitive Layer and Method of Making Same. Jan Hendrik de Boer, Eindhoven, Netherlands, assignor to N. V. Philips' Gloeilampenfabrieken, Eindhoven, Netherlands. No drawing. Application Dec. 26, 1934, Serial No. 759,315. In Germany Oct. 10, 1934. 8 Claims. (CI. 95-6) A film for color photography having in its emulsion a diazonium compound, a coloring component capable of reacting with said diazonium compound to form a colored imagewhen moistened and a powdered substance to absorb moisture from the atmosphere. No. 2,113,256 — Film Driving Mechanism. Armand L. Jeanne, Garden City, N. Y., as