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

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"POLAROFD" AND "POIALU polaroTd' polaroid Land Projection Film ^"'^ Projection Film PolaUne/Type Two kinds of film A yy^. Hp . — V" make two kinds of slides with a Polaroid Land Camera Two special transparency films turn a Polaroid Land Camera into an easy, instant slide maker. And the cost is about Vs of the average conventional black and w/hite slide. For line copy work such as charts and printed material, Polaroid PolaLine Land film gives you a fully developed transparency in just ten seconds. It's a very high contrast material specifically designed to make slides from line originals. The blacks are really black, the clear areas really clear. For continuous tone work, another Polaroid Land transparency film (Type 46-L) produces slides unsurpassed in sharpness, brilliance and full tonal range. It develops in 2 minutes. You load and shoot the transparency films the same way as standard Polaroid Land film. Push a button, pull a tab, wait a moment and remove the transparency. After a quick hardening you put it in asnap-togetherframe and it's ready to project with a standard 3V< X 4 lantern slide projector. You can use both films in any Land Camera that takes 40-series film except the J-66. Doesn't this make other kinds of slide making kind of old-fashioned?