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

SOUND, Equipment & Accessories Lang-lab Microphones. Low cost Model 425 reportedly "student-proof; more sensitive Model 544 recommended for master function; Unidyne III for lecture hall. SHURE. For more Information circle No. 115 on return postal cftrd. Magnesound Mixer for professional type results in "sounding" magnetic-striped film. $199.45. VICTOR ANIMATOGRAP. For more Information circle No. 116 on retnm postal card. Portable Public Address 8w peak, 8" speaker, wt 9 lb., 12"xlO''x6'' deep, complete with Shure microphone, 16' mike cable, table stand, 8' power cord, SCIENCE FILMSTRIPS SINCE 1931 SINCE 1931 MADE BY TEACHERS FOR TEACHERS BIOLOGY ATOMIC ENERGY PHYSICS GENERAL SCIENCE CHEMISTRY MICROBIOLOGY BIKE SAFETY BUS SAFETY Science filmstrips available under NDEA— Title III. VISUAL SCIENCES Bex 599E Suffem, N«w York P^yiowLiNG Pictures SCIENCE FILMS (IN COLOR) For Elementary Through High School Grades — SALE ONLY — Write for List of New Releases and Study Guides and Previews 1056 So. Robertson Blvd., los Angeles 35, Calif. NEW ELEMENTARY SCIENCE CHARTS Magnetism Sound Electricity Light The Story of Rocks WRITE FOR BROCHURE EATON SCIENTIFIC CORPORATION 119 SOUTH ROSEMEAD BLVD. PASADENA, CALIFORNIA $64.95. Extra speaker with 20' plug in cable, $24.95. Has plug in for phonograph or tape recorder. CHECKEL. For more Information circle No. 117 on return postal card. Projector-Master Tape Recorder contains electronic sensing device that records an inaudible signal on the tape which automatically advances 2x2 slides in "School Master" remote control slide projectors. Adapter cords available to fit other makes. $249.50. Without electronic projector control $29.50. GRAFLEX. For more Information circle No. 118 on return postal card. "Tape-0-Matic" Stereo Recorder. 4-track stereo; push button controls; two microphones; add-a-track channel. Model 722 $259.95. V-M For more Information circle No. 119 on rctnrn postal card. Stereo Tape Deck, 3-speed, with four pre-amps and three erase heads, makes possible echo, sound-on-sound, add-a-track direct monitoring, and monophonic or 4-track stereo recording. Model KN-4075 $239.95. ALLIED. For more Information circle No. 120 on return postal card. Tape Recorder — Astra-Sonic II, carries full year guarantee on parts and labor. Hand-wired amplifier, transformer power supply, % -track stereo head, front-mounted speakers (4x6" coaxial tweeter and 4" round), output 8watts peak, 191b, monophonic $189.95; stereo $219.95. PENTRON. For more Information circle No. 121 on return postal card. AUTOMATED INSTRUCTION AutoTutor Mark U. Smaller version, priced at ^0 (Mark I $4,975), provides 9-choice response and a return button, error counter, lid lock to pevent student tampering, provision for auxiliary recorder, capacity up to 50(K) single frames of filmstrip, ir i val timing 1/lOth to 1/9 seconds, g approx. 15" cube, wt. 35 lb. USl For more information circle No, 122 on return postal card. Teaching Machine, $20; program i available include Russian, spel | algebra, statistics, Hebrew, and \ damentals of music ($5 to $15). < programmed textbooks which ma. * Inexpensive Teaching Machine used independently of the machii Produced in cooperation with Tea ing Machines, Inc., sold for he study by encyclopedia salesn GROLIER. For more Information circle No. 123 on return postal card. MISCELLANEOUS EQUIP New High-Speed 16mm Films. Ko< Double-X 16mm negative. Type Si is now available 100' spooled (DJ( 430); 200' spooled (DXN432); and 4 on core for darkroom loading (DX 433-4). Tri-X negative, 16mm w 8mm perforation, 100' spooled (TX 431). Also spooled film incorpora integral leader and trailer for loi ing in subdued light. KODAK. Contact local dealer. 42 The "Autotulor" Educational Screen and Audiovisual Guide — January, 196