Antique Bausch Lomb Optical Balopticon Model B Projector

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Bausch & Lomb Optical Co. Combined Balopticon Projector No. 38600 Magic Lantern

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Antique Bausch & Lomb Balopticon Glass Slide Projector

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Vintage Slide Projector Balopticon Bausch & Lomb Antique No. 115189 1900's-1930s

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Bausch & Lomb Optical Balopticon Slide Projector 41-23-04 Antique Magic Lantern

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1922 Three Bausch & Lomb Ads Tessar Lens Telescopes Balopticon Projector 6x5"