Projection engineering (Jan 1932-Mar 1933)

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FEBRUARY, 1932 Page 31 WE otter to mannfactiwers Interested, in. EXPORT tlxe services of a. dependable organization, •well established in tne entire foreign field AD. AURIEMA, Inc. Manufacturers' Export Managers 116 Broad Street, New York, N. Y. Universal Elec. Welding Co. All-Welded and Demountable REELS 16 mm-ll"-14"-15" and Larger All Wire Reels Protected By Patent 9-10 37th Ave., Long Island City, N. Y. Papini "Gearless" professional recorder for 16" records, 33-1/3 R.P.M. Price including dynamic cutting head and microscope, $1,000. Original cost $3,800. Also 3 Jenkins & Adair condenser microphones complete. Original cost $225 each. Our price $100 each. SOUND EQUIPMENT CO. Manufacturers of professional and amateur equipment. Ill WEST 48TH STREET NEW YORK CITY HOTEL MAmUAWAM-IINCilO \ii ATLANTIC AVE. AND EIGUTU ST. VIRGINIA BCACH VA. ^ Fireproof brick construction. li. The coolest spot on the beach. J! Invigorating breezes from ocean on East and ■ Lake Holly on West. * Bright, airy outside rooms, parlor suites and |i]J||. apartments, private baths, superior cuisine — I li [P Surf bathing, riding, fishing, golf, dancing, I r Private tennis court and children's play* Ip ground. K J. WESLEY GARDNER, Manager ^3 TALKING PICTURES By Bernard Brown A detailed discussion of the principles of construction and operation of sound film apparatus, including a complete history of its development. Of great importance is the full account of R.C.A. power system and the Western Electric speaker unit. Specially valuable for technicians and ..also the general reader. Many illustrations and charts. $3.00 TELEVISION: TODAY AND TOMORROW By Sydney A. Moseley and H. J. Barton-Chappie The development of television, early experiments, and its present and probable commercial use. Well illustrated. $2.50 PHOTOELECTRIC CELLS By Dr. Norman A. Campbell and Dorothy Ritchie Comprehensive presentation of the practical application of photoelectric cells in television, sound projection, etc. Illustrated. $4.50 Write for descriptive lists. ISAAC PITMAN & SONS 2 WEST 45th ST. NEW YORK HUGO MEYER LENSES FOR PHOTOGRAPHY AND PROJECTION The discriminating user of lenses appreciates the superb correction, the mathematically precise formulae and the high standards of perfection inherent in Hugo Meyer photographic and projection lenses. SPECIAL OPTICAL SYSTEMS CONSTRUCTED TO INDIVIDUAL REQUIREMENTS HUGO MEYER & COMPANY 245 West 55th St. New York Works: Goerlitz, Germany Investigate this New Sound Absorber! Brawley Felt Feet are designed to meet the especial needs of the Sound and Light Industries. For some time progressive manufacturers have successfully used Brawley Felt Feet to deaden sound from shocks. Let us send details. Machine screw, nail, rivet and reverse rivet types. S)j£> n/ m Free sample of any type you want. T. R. BRAWLEY FELT COMPANY, INC.| 279— 20th Street, Brooklyn, N. Y.