HARRISON Lathes Models 12-inch and 13-inch swing L6 Mk. 3 - also badged as the 155 and 165 and distinguishable from earlier models by a flat front face to the headstock a long, single upward pointing handle on the face and two spindle-speed change levers on the top, a third control shaft control rod below the leadscrew and power-feeds shaft, a screwcutting gearbox with a sliding selector control that indexed into a row of holes. The gearbox had either two thumb lever along the top edge (English threading) or three thumb levers (metric version). Instruction and Maintenance Manual and Parts Manual as useful Exploded Assembly Diagrams. Added to this publication (not in the original) is data about converting the 3-lever metric box to inch screwcutting. Also Includes a reproduction of the original Sales, Specification and Accessories Catalogue.. To check if this is yours, pictures and details here: http://www.lathes.co.uk/harrison/page16.html
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