The large tripod base of the Powell and Lealand Model No. 1 microscope.
| A | Condenser focus |
| B | Sample "Y" movement |
| C | Coarse focus |
| D | Fine focus |
| E, F | "Y" and "X" sample movement |
| G | Stage rotation |
The mirror has two reflective surfaces, flat and concave. Diameter =72mm. It attaches to the stand downtube via an articulated arm and half gimbal.