Harrison Lathe 17-inch swing (8.5" centre height) - also branded "Do-All". Early model with from the 1950s and 1960s and three downward-pointing spindle-speed control levers and a screwcutting gearbox with, top right, two levers on a common shaft, just below two separate levers and, mounted centrally, a lever working through a quadrant (the later 17-inch called the M450 was different) Operator's Instruction Manual and Spare Parts Manual as detailed Sectional Drawings. Perfect quality production. Details of these early 17-inch Harrison lathes here   For the later 17-inch see manual reference MHL450