Educational screen & audio-visual guide (c1956-1971])

recording is possible with a choice ot stacked or staggered head systems. For more informor.on circle 117 on coupon SoundScriber "24" RecorderReproducer $950. Compact magnetic tape recorder-reproducer records continuously for 24 hours utilizing a slow tope speed of 2 '/z inches per minute. Alteration of the recording is impossible without detection. Tape reels hold 300 feet of tope calibrated in minutes from 0000 to 1455. Accessory tape demognetizer renders reels ready for reuse in 15 seconds. Tape is $8.50 per reel. For more information circle 1 1 9 on coupon TELEVISION RECEIVER Tronsvision 27" Classroom TV Receiver. Functions os a regular TV receiver or OS o closed circuit monitor. The screen is six feet obove floor level for good visibility from all ports of the classroom. Three-speaker audio system directs sound through a 1 80 degree pattern giving equal sound intensity in all sections of the room. Large swivel casters for complete movability. May be disossembled into three compact sections with carrying handles. Builtin antenna system with selector switch and fringe-orea control. For more infoimotion circle 124 on coupon MISCELLANEOUS EQUIPMENT Ampto "14" PrinterProcessor Photocopy Unit $424.50. Special high-intensity light mokes multi-purpose photocopying unit suitable for use with slowest papers. Can be easily dismantled for cleaning. Designed for simplicity of operation. Handles copy up to 14" wide and of any length. Will reproduce from multi-colored copy, opaque, or transparent. For more information circle 125 on coupon 8-Inch Desk Project Globe. RAND. 4 for $15. Durable steel boll has a surface which can be marked with wax crayon and easily cleaned. Water oreas printed in bl':e; continents in brown with mountain relief shown. All political information eliminated except for parallels of latitude, meridians, dot symbols for 32 cities. For more information circle 240 on coupon Eastman Transparency Illuminator. Blue glass filter behind translucent white viewing surface produces light of nearly ideal spectral quality. View IN VISUAL PRESEKTATIWS MAKi A BETTER SHOWING with OPTIVi PORTABLE EASEL The newest thing for visual aid is this lightweight, portable Optivex easel. 29" x 39%" steel board finished in "riteon" green, adaptable for chalk, charts, or magnets. Aluminum legs fold to convert from 70" floor easel to table model. Net weight, 17 lbs. Comes with eraser, crayons, chalk, pointer, and removable chalk tray. Only $3».9S. Carrying case and lamp fixture are extra equipment. and PIXMOBILE PROJECTION TABLE ...lets you prepare your presentation in advance, roll il In, and use it when you're ready. Sponge rubber top, 4" swivel wheels, with brakes that hold on incline. Vibrationless. Several models and heights. 42" Jefcle on/y J32.9S. WRITE FOR LITERATURE AND DEALER'S NAME. SOME DEALER TERRITORIES STILL OPEN. WRITE... THE ADVANCE FURNACE CO. 2310 EAST DOUGLAS WICHITA, KANSAS ing area is 10"xl0". Gray plastic housing ventilated for cooling of the 7 5-watt lamp. Masks for all sizes of transparencies. For more information circle 122 on coupon Fotomatic Elwood Densitometer & Light Meter $118. An ultra-sensitive instrument for accurately measuring light qualities and quantities, it is a selfcontained unit consisting of a lightsensitive crystal mounted in a transparent plastic holder ond a meter mounted in a cost aluminum housing. For more information circle 126 on coupon Rhodes School Timer. Portable desk timer specifically designed for use by teachers. Con be set to time in minutes or seconds. At the end of the chosen interval o bell rings. For more information circle 127 on coupon Shure Microphones and Phono Pickup. Commando microphone series available in three models suitable for P. A. ond home recording are of controlled magnetic construction unaffected by humidity and temperature variations. May be used in the hand or in floor or desk stands. $27.50-$38.50. The Studio Dynetic pickup has o one-gram pressure cartridge and tone-orm, jeweled bearings, features cartridge in which magnet moves within stationary coil. Unitron Microphone i! unidirectional unaffected by temperature and humidity variations. Adjustable swivel. For more information circle 131 on coupon S.O.S. Sosolvex All-Purpose Film-Conditioner $6.95 per gallon. Said to bt harmless, non-toxic, non-flam, antistatic, containing no carbon tet Cleans, conditions, waxes film. Drie! immediately without streaking, clouding, or leaving residue. Instonth seasons areen prints. For more information circle 132 on coupon Stancil-Hoffmon Oscillator Wan< $43.50. A maintenance tool for magnetic recording equipment, the wane is a source of either a 1000 or 800( cycle tone. When held close to thi playback head, the tone is inducec into the head to check operation o the amplifier. Held close to a dynamic microphone, the wand will in duce the some tones. Weighs only ^ ounces, is 8" long and 1 Vi" in diom eter. Unit is completely transistorize< with self-contained battery. For more information circle 133 on coupon Telectro Tope Transport Mechanisms Suitable for hi-fi applications or studii work. Tape speeds of 1 5, 30, and 5( inches per second; 1-5 second start ing time to stable speed, dependini upon final speed selected; one-tenti second stopping time; one minute re wind; standard 19" rack mounting plug-in head assembly. For more informotion circle 134 on coupon NEW MATERIALS FEATURE Anotahon mp CONTEMPORARY 93mii sd r$50. Josef von Sternberg sets hi Occidental technique against the Jopa nese stylization and achieves surpris ingly artistic effects. Norroted by th director. For more informotion circle 135 on coupon HEALTH & SAFETY Action Progrom TroHic Films 8mp PCT 13min b&w film $18; 5-7 min film col $25 b&w $12. Alias the Killer 13 min — shows organized citizei support for balanced safety program; Uniform Traffic Lows (5 min), As Matter of Fact (5 — accident facts) Teach Them Traffic Safety ( 6 ) , Trof 502 EdScreen & AV Guide — October, 195'