Adaptation of the "Focuspot" rangefinder for closeup flash photography.
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Acclimatization↗
Biomedical subjects
J N SCHUTZ
Publications and source records attributed to J N SCHUTZ.
Blow pipe for cleaning light traps on film holders.
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Cocaine↗
Dark field illuminator for Petri dish photography.
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Bacteria↗
Shadowless photographic backbrounds with sheet plastics.
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Equipment and Supplies↗