WYVERN Lathes Data Pack. Handbook for the Mk. 4 WT & Parts Manual & Sales Catalogues 4WT, 5WT & 4WT.
WYVERN Lathes Data Pack. Simple Handbook and lubrication guide together with an Illustrated Parts Manual (as "exploded-component" photographs) for the 4WT and four Sales & Specification Catalogues (an extra 24 pages) for the Models 4WT, 5WT and 4WT with Hydraulic Copying.