The stage movement mechanism is via the Turrell-type rack & pinion.
A: Lateral (Y); B: X movement of the stage.
The lower pinion (C) is for the condenser focus.
A: Lateral (Y); B: X movement of the stage.
The lower pinion (C) is for the condenser focus.
This particular microscope was presented to J. Harker, as shown by the engraved plaque on the stage.
Condenser mount showing the rack movement.
Fine focus is the "Long Arm" type. The thumbscrew (A) pivots a long lever that lifts or lowers the objective mount. Thumbscrew B fixes the tube mount on place.