A brass Aquatic microscope, late 18th century, the turning column screwing in to the lid of a fish-skin covered box, the stage fitting into the socket at the top of the pillar with the objective holder above, large mirror below, the box containing two objectives and stage forceps, 3.5 x 12 x 9 cm. Provenance: Purchased from Sotheby's London, Clocks, Scientific Instruments & Watches, lot 120, 9th June 1977