Treen Live Box Insect Microscope

Antique Treen Live Box Insect Microscope with Removable lenses. English-made, circa 1720-1780. Unsigned. A handsomely-crafted, & unique scope; each end features a removable glass lens which screws into tho polished Treen tube. Intended to isolate and magnify insects for study in greater detail. 

Overall Length: 3.50"

Overall Diameter: 3.25"

Lenses: 1.25"