Compound Microscope in Case with Accessories, by Ernst Leitz, Wetzlar, c.1920

Ernst Leitz compound microscope with a cast iron stand finished in black enamel. A short pillar rises from the horseshoe base and the curved limb is attached by a compass joint. The body is carried on a rack and pinion operated by two mill-edged knobs. The rotating nosepiece can hold three objectives and the eyepiece pushes into a nickel plated draw tube that extends from the top of the body. The square stage has a mechanical bracket to hold slides. Movement is followed on two Vernier scales. An Abbé condenser, with a variable aperture is fitted below the stage. It can be focused or swung from under the stage hole as required. A pivoting arm below the stage holds the plano-concave mirror. The accessories comprise two eyepieces, three condenser apertures with a nickel plated mount, two glass disks and four objectives. The fitted wooden case has supports faced with red felt and a small key. It also contains two boxes and a tray to hold the accessories. The accessories comprise two eyepieces, three condenser apertures with a nickel plated mount, two glass discs, one glass slide and four objectives.