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Magazine connector
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Slide changer
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DE1147405B
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Automatic slide changer for projector or viewer
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Pre-popped slide and method of making
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GB836483A
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Automatic slide changing mechanism for optical projectors
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Slide changing device
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Viewing device for slides
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Slide viewer
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Adapter frame
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Automatic actuating mechanism for photographic slides and the like
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Slide viewer and magazine therefor
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Viewer
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Slide
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Slide changing means
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Photographic printing frame
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