Harrison Lathe AA Mk. 1 ( "Round" styling and identical to the Colchester Chipmaster) A comprehensive Data Pack with early and late editions of the Instruction and Maintenance Manual and both Parts Manuals as exploded component diagrams. Covers all models with Imperial or Metric gearboxes and includes electrical, variator and drive differences.

HARRISON Lathe 12-inch swing (6.5-inch Centre height Model L6 Mk.1 - also badged, for some markets, as a 13-inch) - a model with "rounded" styling from the 1950s, a long, upwards-pointing lever on the face of the headstock and two spindle-speed change levers on the top.