English early 19th century, unsigned, constructed of gilt brass, the instrument can be used as an insectoscope or fleaglass microscope, with a lens focusing on a spike, and as a flys eye viewer, 3cm diameter
Sold for £225
Result plus buyers premium
English early 19th century, unsigned, constructed of gilt brass, the instrument can be used as an insectoscope or fleaglass microscope, with a lens focusing on a spike, and as a flys eye viewer, 3cm diameter