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Roseman's: Dallmeyer's Binocular Camera
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Roseman's: Dallmeyer Binocular - lenses
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Roseman's: Dallmeyer Binocular - single lens
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Roseman's: Dallmeyer Binocular - inside
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Roseman's: Dallmeyer Binocular - diaphragms
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Roseman's: Dallmeyer Binocular - septum
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Roseman's: Dallmeyer Binocular - dark slide
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Roseman's: Dallmeyer Binocular - shutter
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Roseman's: Dallmeyer - early illustrations
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Roseman's: Dallmeyer Binocular - extension
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Roseman's: Dallmeyer 'O' lens