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

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ARE YOUR WINDOWS AS MODERN AS YOUR METHODS? Audio -Visual teaching makes your coverings out of date unless.. 1 THEY MAKE ANY ROOM BLACK-OUT DARK IN SECONDS . . . EVEN AT NOONI YET GIVE AN INFINITE RANGE OF LIGHT CONTROL! AND COST LITTLE TO START WITH... LESS TO MAINTAINI Sure, black-out coverings get the room dark. But they don't cut down on glare. Sure, conventional coverings control daylight. But they don't achieve an effective black-out. That's why both are as out of date as a one-room school! Only Flexalum Audio-Visual blinds can give you the precise light control you need for everyday class activities . . . and also plunge the room into absolute darkness for AudioVisual teaching. Reasons: Flexalum is made with more slats, which means greater overlap — plus special light channels which keep light out around the sides. All this and you save, too. Because Flexalum also gives more years of service than any other y^""^ /yO .jO type of window covering ... a promise we back tvith a five ^—^--^A^j^/i^y'^)^^^ ^/l/^ year ivritten guarantee. Look into Flexalum for your school. • ^ y^C\y\/\y\/(J^yC^i// i f /^ Write for test results and specification data to: Bridgeport Brass Co.— Hunter Douglas Division, 405 Lexington Ave., New York 17, N. Y. Newest Flexalunr Diastic-lined side eliminate noisy EdScreen & AV Guide — September, 1959 455