Showmen's Trade Review (Oct-Dec 1946)

E-26 SHOWMEN'S TRADE REVIEW, November 9, 1946 EQUIPME]\T MAXUFACTIJRERS Names and Addresses Classified Departmentally 1 PROJECTION Arc Lamps C. S. Ashcraft Mfg. Co., 47-31 35th St., Long Island City, N. Y. Ballantyne Co., 1707 Davenport St., Omaha 2, Nebr. Brenker't Light Projection Co., 6545 St. An toine Ave., Detroit, Mich. *Forest Mfg. Corp., 60 Park PL, Newark 2, N. J. Entirely new in prineiple of operation, the Forest Electronic arc lamp controls carbon feed through two completely separate electronic circuits actuating two solenoid-ratchets. The rate of feed of cither carbon is thus totally independent of the other; feeding of each carbon can be readjusted separately -without the slightest effect on its mate. The lamp is of the reflector type and designed for a zvide variety of carbon trims. J. E. McCauley Mfg. Co., 552 W. Adams St., Chicago, 111. *See Advertisement, elsewhere in this issue. Morelite Co., Inc., 600 W. 57th St., New York, N. Y. *National Theatre Supply, 92 Gold St., New York, N. Y. The 1 kw "Simplex High" projection lamphouse is designed for theatres of up to 800 scats, using screens up to 18 feet in width. It projects more than twice as much light as a loiv intensity source at far less than tivice the operating cost, because of the efficiency of its cored carbons. Production of light is so efficient in proportion to the amount of heat generated that a simple burner mechanism and small housing are practicable, ivith correspondingly attractive price. Radio Corp. of America, Theatre Equipment Section, Camden, N. J. *S.O.S. Cinema Supply Corp., 449 W. 42nd St., New York, N. Y. *Strong Electric Corp., 87 City Park Ave., loledo, O. The Strong Mogul 45 to 70 ampere high intensify automatic reflector arc lamp has a ball bearing control system with separate adjustments for the feeding rates of both carbons, fullfloating carbon holders and heat resisting guides, and ample sise to facilitate easy trimming and Ask For DRIVE-IN THEATRE PLANNING BOOK— Ask your nearest National Theatre Supply branch for a copy of our new Drive-In Theatre Planning book containing Construction notes — helpful hints — illustrations of essential equipment — and a complete check list of all equipment and supplies necessary. /"iiATIONAL^ I ■EEmaaBazim J cleaning. It is one of the outstanding models of the Strong line, which includes also the Strong 1 kilowatt High Intensity and the Strong Junior High. Generators Automatic Devices Co., 1035 Linden St., Allentown, Pa. Century Elec. Co., 1806 Pine St., St. Louis 3, Mo. Electric Specialty Co., Stamford, Conn. General Elec. Co., 1 River Rd., Schenectady, N. Y. Hertner Elec. Co., 12690 Elmwood Ave., N. W., Cleveland 11, O. Imperial Elec. Co., Akron, O. *J. E. Robin, Inc., 330 W. 42nd St., New York 18, N. Y. Westinghouse Elec. Corp., East Pittsburgh, Pa. Lenses Bausch & Lomb Optical Co., 739 St. Paul St., Rochester, N. Y. General Scientific Corp., 4829 S. Kedzie Ave., Chicago, 111. Ilex Optical Co., 726 Portland Ave., Rochester, N. Y. *Kollmorgen Optical Co., 2 Franklin Ave., Brooklyn 11, N. Y. The exceptional speed of f/1.9 is mmntained in all _ sizes of the neiu Kollmorgen SiiperSnaplite anastigmatic projection lens. Widerangle projection, higher magnification and the utmost in linage quality are provided by this iinporfant new aid to good entertainment. It is available in focal lengths from 2 in. through 5 in. in }i in. steps. All glass-to-air optical surfaces are coated. Hermetically sealed mounting eliminates any possible need for taking the lens apart to clean it. Projection Optics Co., Inc., 330 Lyle Ave., Rochester, N. Y. Wollensak Optical Co., 850 Hudson Ave., Rochester, N. Y. Projectors *Blue Seal Cine Devices, Inc., 137-74 Northern Blvd., Flushing, New York, N. Y. Brenkert Light Projection Co., 6545 St. Antoine Ave., Detroit. Mich. *Century Projector Corp., 729 7th Ave., New York, N. Y. Models C and CC mechanisms are both of direct drive design a)id construction. In both, all drii-ing and shutter shafts are completely ball bearing mounted. Model CC mechanism has seven gears and pinions: Model C, five. Mod^l CC has double shutters completely independent of each other so that cither could be used as a single shutter in emergency ; Model C a single shutter. Model CC is rated at 58 per cent light efficiency and Model C at 50 per cent light efficiency, for all lens speeds and focal lengths. •I'DeVry Corp., 1111 .\rmitage Ave., Chicago, 111. Projectors of the DeVry 12000 series incorporate both projector mechanism and soundhead SOUND EQUIPMENT SIMPLEX SOUND SYSTEMS INDIVIDUAL SPEAKER UNITS HIGH-POWERED AMPLIFIERS