Binocular microscope for students. Henry Crouch. London. 1880.

This Henry Crouch student binocular microscope is an excellent device made with the number 2,956, measuring 35.5 cm tall. The interpupillary distance is regulated by a screw mechanism. Its plate is circular. It has a mahogany case that contains numerous accessories. Among them, four objectives in their corresponding metal cases, four eyepieces, a revolver for two objectives, a wheel condenser and an optical one. A clamp for observing small samples, clamps and various observation devices and a large “bull’s eye” magnifying glass for illumination by incident light. A similar microscope exists in the National Museum of American History. Catalog Number: 2009.0116.09