C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
206/69, 88/85
C07C 1/26 (2006.01)
Patent
CA 1252324
MULTIPLE PROJECTION OPTICS SLIDE PROJECTION APPARATUS USING A CIRCULAR SLIDE TRAY, HAVING FIXED-POSITION SLIDE GATES Abstract A slide projector having two projection optics systems (12,14) for display of slides on a screen. Each projection optics system includes a fixed position slide gate (24, 36) into and from which slides move relative to a circular slide tray (16), which rotates about a fixed verti- cal axis to access each compartment therein relative to both slide gates.
484691
Frayne & Company Robert
Source Kramer Corporation
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