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

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f your filmstrip projectors... wont show 2x2 slides as well as Filmstrips cant ■ give brilliant screen images in partially lighted room . . . don't have a built-in telescoping handle for carrying . . . arent simple enough for your pupils to use . haven't optical systems that remove as a unit for cleaning . . . fail to keep cool and quiet while operating . . . < you need... SCHOOL MASTER lAL-PURPOSE FILMSTRIP AND 2 X 2 SLIDE PROJECTORSI GRAFLEX '5ciooL Master 500 shown with exclusive acceswy Rewind Take-Up and Semi-Automatic Slide danger. School Masters are also available in 750 V. t, manual or remote control models from $84.50 ii-CATioNAL Screen and Aidiovisuai. (iiiDE— June. 1961 A SUBSIDIARY OF GENERAL PRECISION EQUIPMENT CORPORATION *Trade Mark. Graflex, Inc., Rochester 3, N. Y. In Canada: Graflex of Canada Limited. 1,7 Simeoe St., Toronto 1, Ont. 265