Wenham's Binocular Microscope by
»Ross«, c. 1875
Engraved on the tube "Wenham's Binocular by Ross, London",
original lacquered brass, rack-and-pinion adjustment to the
eyepiece and bar, mechanical stage and substage condenser,
in mahogany carrying case with table bull's-eye condenser.
Reserve: 1.400/US$ 1,890