title: A mechanical stage for the combined use of two microscopes with a comparison eyepiece.
abstract: When comparing two histological sections with the aid of a comparison eyepiece, it appears very difficult to move the two specimens in conjunction. A single common mechanical stage meets this problem, providing identical movement of two specimens. Details of its construction are described.
mesh_terms: D006652:Histological Techniques; D008853:Microscopy / Q000295:instrumentation*