The Zentmayer microscope is supported by this claw-foot base. Base is 16x16cm
A compass joint allows the instrument to be tilted.
The brass stage has this glass sample surface. A friction thumbscrew adds drag to help position the sample slide.
Coarse focus is via rack & pinion. The pinion gear shown here is mounted to the support.
Fine focus is via a lever arm. The focus thumbscrew presses on the lever, which moves the support dovetail up or down in minute amounts.
Fine focus lever and pivot (arrow).
The glass sample stage is 9.5x6cm. The brass bottom piece is 7.5x5cm.