the plate upon which an object is placed when examined under a microscope; (also) †an object glass (obsolete).

A device for holding, and inserting in a microscope, the glass or other plates with the objects to be studied. ? Obsolete.

The mount of the lens of a simple microscope, by means of which the lens is attached to a Lieberkühn.

In a microscope, A pointer which indicates the position of a special object in the field of view.

Microscopy. A fitting located beneath the ordinary stage of a microscope in order to support a condenser or other accessory. Frequently attributive.

A device, apparatus, or control used for bringing an image into focus, typically consisting of a mechanism that allows the position of one or…

Optics. A part of a microscope that carries two or more objective lenses and is rotated to bring a different one into use.

On a microscope: an objective lens of low power used to find objects or provide a general view of them. Now rare.

a condenser for compound microscopes, consisting of a compound lens with a large aperture.

A hood or shield attached to a microscope to prevent the entrance of extraneous light to the viewing eye.