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

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Your BEST BUY in classroom projectors... AO Spencer Delineascopes! AO Spencer OVERHEAD DELINEASCOPE Superior optical system and 1000-watt bulb make it possible for the AO Overhead Delineascope to project more light on the screen than any other overhead in its class and price range. You project a 10" x 10" transparency up to a big 177 square foot screen image . . . clearly and crisply. Rotating (360°) projection head, transparency roll attachment with convenient tension adjustment and many more exclusive performance advantages make it your best buy in overhead projectors. AO Spencer OPAQUE DELINEASCOPE The AO High-speed Opaque Delineascope sets the performance standards for all opaque projectors. Improved large-diameter coated projection objective delivers a full 145 lumens to the screen. Projected image has clear definition from edge to edge and from corner to corner of the screen. Allglass reflecting mirrors won't tarnish or discolor. Weighs only 29 lbs. — easily portable. Don't buy any opaque projector until you have had a demonstration of the AO Spencer Opaque Delineascope. AG Spencer GK DELINEASCOPE The AO GK has been imitated, but never equalled. An audio-visual workhorse . . . projects any size slide, from 3'/4" X 4" to 2" X 2", in any size room or auditorium. Scientific alignment of entire optical system provides uniform .screen illumination ... no hot spots, no corner color fringes. Send for literature describing tliese tliree outstanding AO Delineascopes! American ^ Optical COMPANY INSTRUMfNT DIVISION, BUFFALO IS, NEW YORK Dept. K24l Gentlemen; Please send literature on; AO Spencer Overhead Delineascope AO Spencer Opaque Delineascope AO Spencer GK Delineascope Name Address City . Zone . State . Langlab Specifications, brochure treats four approaches to student learning: audio-passive, audio-active, audioactive comparative; listen respondrecord. Free. RHECAL For more information circle No. 327 on return postal card. NDEA Color Fllmstrips for science, math, Guidance, foreign Languages. Free. CM For more information circle No. :!28 on return postal card. The Needs of Education for Television Channel Allocations. NAEB survey prepared under contract with USOE, under Title VII, NDEA. 181pp and 6 maps. $9.25. Order direct. SUPDOC The New World of Communitronics tells the story of the TelePrompTer Corporation and its products' unique applications. 12pp free TELPROM For more information circle No. 'Z'ZH on return postal card. Overhead Projection Tips on preparation of transparencies, stresses simplicity, image size, variety, 8pp and template. Free. MMM For more information circle No. 'i'io on return postal card. The Principals Loolc at Schools: A Status Study of Selected Instructional Practices. Survey of nearly 1,500 elementary and high school administrators' views on recent innovations in methods, materials and equipment. Write direct, NEA, 1201 Sixteenth St., NW, Washington 6, D. C. Professional Production Equipment. 104pp. Free. BEHREND. For more information circle No. 2.S1 on return postal card. Programed Instruction, bi-monthly 8page bulletin issued by The Center for Programed Instruction, 365 'West End Ave., New York 24, N.Y., is an excellent, authoritative, constructively ciritical review. Originally a free service publication by this non-profit educational organzation; demand now exceeds budget so it has gone to $2 a year subscription and well worth it. Programed Learning in the Schools: Tasks for 1962 Summary of a conference at Albuquerque, N. Mex., Jan. 1962. Several projects described and evaluated, research suggested. 24pp free EDFOUND. For more information circle No. 232 on return postal card. Programs '62. A guide to programmed instructional materials available to educators by Sept. 1962. Sample pages are reproduced from a wide range of programs and subject areas. Compiled by The Center for Programmed Instruction, Inc., in cooperation with the USDHEW Office of Education. 332p. $1.50. Order direct from SUPDOC. 682 Educational Screen and Audiovisual Guide — November, 1962