Projection engineering (Jan 1932-Mar 1933)

Page 30 PROJECTION ENGINEERING Carbon Prices Reduced EFFECTIVE January 1, 1932, substantial price reductions apply to all National Projector Carbons. Motion Picture Theatres will save from five to twenty-eight per cent on their carbon costs at these new prices. This announcement is in line with National Carbon Company's policy of sharing with the industry benefits derived from its program of intensive research and steady improvement in manufacturing methods. Use National Projector Carbons in your theatre. A sound investment in 1931. A better investment in 1932. N AT P R I O N A L OJECTOR CARBONS . . . Sold exclusively through distributors and dealers. National Carbon Company will gladly cooperate with the producer, exhibitor, machine manufacturer or projectionist on any problem involving light. NATIONAL CARBON COMPANY, INC. Carbon Sales Division • Cleveland, Ohio Unit of Union Carbide QH3 and Carbon Corporation Branch Sales Offices: New York Pittsburgh Chicago San Francisco COMPLETE STUDIO EQUIPMENT engineered to your specific needs. Supplementary elements added and matched to your present equipment. Recording or projection equipment for sound on disc or film. Complete public address systems designed, manufactured, rented for particular occasions. HARRY A. SUMMERS, M.E. 37 Kenilworth Place, Brooklyn, N. Y. Where the Ultimate in dependability is required! MORRILL & MORRILL 30 CHURCH ST., NEW YORK CITY Sole U. S. A. Distributors for the SIEMENS & HALSKE Condensers and Resistors Write for Bulletin P DEPENDABLE . . Telephoto Caesium Argon P.E. cells are Precision made : THEREFORE you may depend on their performance at all times. QUALITY and PRICE RIGHT Telephoto & Television Corp. 133 West 19th Street New York City, New York SAPPHIRE POINTS for recording and play back standard and special types of jeweled needles available, reasonably priced. Sapphire po'ints afford better sound. MEYER KOULISH CO., Inc. 64 FULTON ST., N. Y. CITY BEekman 3-6109 Low Range INSTRUMENT LITTELiFUSES 1/100, 1/32, 1/16, Yt, Ya, %, H, 1, 2 amps, for galvanometers, milliammeters, etc. RADIO FUSES Vs amp. for "B" circuits, also 1, 1V4, 2 and 3 amps. for radio manufacturing. Details by return mail. LITTELFUSE LABORATORIES For Radio Amplifiers and Transmitters 500, 1,000, 5,000 and 10,000 volt ranges, in 1/1/5, Yt, Y*. %, Y>, M, 1, 1Y, 2 amps. 1778 Wilson Ave., Chicago, 111. FILM TO WAX DUBBING MACHINES Wax Recording Equipment for sound pictures and Commercial Recordings R. W. NICHOLLS 119-28 Twenty-seventh Ave., College Point, L. I*., N. Y. Automatic Record Changers If continuous automatic record changing is one of your problems write for data on our Model "A" chassis. Rapid program arrangement, absolutely reliable operation. Light, compact and true toned. 644 Broadway HARDRAY, INC. New York, N. Y. INDEX TO ADVERTISERS Ad. Auriema, Inc Bell Equipment Corp Blue Seal Sound Devices, Inc. Brawley Felt Co., Inc., T. R.. 31 30 5 31 Cameron Publishing Co 32 F Forest Electric Corp 3 H Hardray, Inc 30 K Koulish Co., Inc., Meyer 30 Leeds Radio Co. Littelfuse Labs. 29 30 M Meyer & Company, Hugo 31 Morrill & Morrill 30 N National Carbon Co., Inc National Theatre Supply Co Nicholls, K. W 30 5 29 Pitman & Sons, Isaac 31 Precision Resistor Co 30 R Racon Electric Co., Inc.... Back Cover Rauland Corporation, The 27 Samson Electric Co Second Cover Siemens & Halske 30 Simplimus, Inc Third Cover Sound Equipment Co 30 Strong Electric Co., The 29 Summers, Harry A 30 Telephoto & Television Corp 30 TJ Universal Elec. Welding Co 31 W Weber Machine Corp 27 Webster Company 6 Weston Elec. Inst. Corp 3