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US3622832A
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Interchangeable tungsten halogen lamp
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US3532421A
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Modular slide tray
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US3453044A
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Magazineless slide changer
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US3459474A
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Automatic slide projector
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US3479548A
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Enveloped quartz iodine lamp
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US3416250A
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Metal slide magazine
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US3322964A
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Selectable power source for lamp including rechargeable battery
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US3304639A
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Slide magazine
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US3244273A
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Slide storage case
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US3238653A
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Slide changer
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US3238842A
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Transparency holder with sliding sound tape
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US3153517A
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Motion picture film handling system
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US3159934A
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Slide magazine
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US3228132A
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Slide projector
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CA818839A
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Magazine with slide retention means
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CA818838A
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Photographic slide tray
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CA766883A
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Slide changer
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CA892132A
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Modular slide tray
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CA729897A
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Magazine connector
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CA763785A
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Method and means for slide storage and handling
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