Scottish, Circa 1845-55, signed on the handle ‘Bryson Edin r’, contained within its original red Moroccan leather covered case lined with red satin and red velvet. The microscope is constructed of lacquered brass with an oxidise finish and a small ivory handle held in place with two brass screws. A large brass wheel acts as the focusing mechanism by pushing the sample holder back and forth in front of the screw in lens. There are two screw in lenses, one is a Coddington type and the other is a high power single lens.
This is an example of the first form of ‘Gardner’s simple microscope’ with a single specimen support, later versions had two supports to clamp specimens between. Examples can be seen here:
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