Monocular Compound Microscope in Case with Accessories, by Carl Zeiss, Jena, ?Early 20th Century

A Carl Zeiss Jena copper alloy and black painted monocular compound microscope with a rotating nose to hold three objectives and a mount for a condenser and a diaphragm aperture, with attachments for a large circular stage which has two spring clips. This is stored alongside accessories in a fitted wooden case with removable racks and drawers and velvet lined fittings. The accessories comprise two eyepieces, one of which is fitted into the top of the microscope draw tube, three objectives, three objective cans and two substage condenser lenses.