Mitchell 6.5" Centre height lathe. Sales and Technical Specification Catalogue. This is an older model with two upwards-pointing levers on a concentric shaft to the right-hand side face of the headstock,
and a single upwards-pointing lever to the left. The srewcutting hearbox has a single sliding tumbler positioned to the left-hand side of the gearbox with the selector pin holes 
running from low on the left to high on the right. The screwcutting gearbox also has three rotary levers, one below the sliding tumber to the left, and two to the right.