An entomologist’s folding microscope.

A$1,100 · Offered by Douglas Stewart Fine Books

[Probably English, c.1840]. Folding microscope, 110 mm (handle to lens), consisting of a slotted brass supporting arm, 110 mm spiked forceps, dual lens microscope, with turned bone handle; a knurled brass knob acts as a forceps holder, and allows for positioning; the lens can be rotated to configure different magnification powers; housed in the original card case (some wear and rubbing) measuring 120 x 30 x 25 mm. Microscopes of this type, known variously as Jones , Botanical , Entomological , or Common Flower or Insect microscopes, rarely appear with a maker s mark or signature.

• Binding: Hardcover

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