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Benjamin Martin Drum Microscope

The basic English drum microscope design motif is a descendent of Benjamin Martin's Pocket Reflecting Microscope, discussed elsewhere in the museum. An original version of the microscope was photographed and described by Gerard Turner in his excellent volume Collecting Microscopes.

This microscope is made of lignum vitae, pasteboard, rayskin, and brass. Martin autographed the microscope prominently on the body tube between the wooden nosepiece and eye cup, as illustrated above. The body tube slides up and down to focus the specimen through a single brass objective mounted in the nosepiece. A stage in the lower portion of the drum accommodates the specimen, which is illuminated through the base of the microscope.

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