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Colchester Student & Master Mk.1 & Mk.2 Lathes Clausing 12" and 13" Models 6564, 6565, 6524, 6525, 6566, 6567, 6526, 6527, 8010, 8011, 8012, 8013 Headstock & Gearbox A Handbook & Parts List, and new changewheels are available for these models Student & Master Mk.1 & Mk.2 Home Page Carriage ************************************************************** Bantams Original Bantams 800, 1600 & 2000 Modern Chipmaster Student 1800 Mascot 1600 Student/Master Mk. 1 & Mk. 2 Student 3100 Master Original 1930s/40s Master 2500 Triumph Mk. 1 & Mk. 2 Triumph 2000 Mascot - 1950s Mastiff 1400 COLCHESTER HOME Magnum Serial Numbers Outline of Colchester Range as Text Only Factory Testing Catalogue Covers Early Drive System |
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Mk 1 Student and Master screwcutting gearbox. Three versions were available: a dual English/Metric Box, a model labelled "Dominion 12" x 24", with English threads only and a very rare, all-metric version referred to as the "Continental" with both lever and joy-stick control; the latter box is shown below. To change from metric to English threads on the dual-box model required only that the operator altered the position of the horizontal lever immediately above the gearbox sliding selector.
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Rare all-metric screwcutting gearbox with its distinctive joy-stick control lever. This box required additional changewheels to generate a full range of threads. |
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