MARS Sales & Specification Catalogue covering the Hercules, Junior, Venus, Jupiter, 10-inch Engine lathe and Atlas Lathes the Mars Planer and No.4 Milling Machine. Some of these lathes were branded "Conrik", "Great Scot" and Nextek. Sales Catalogue - some of these publications, on fold-out sheets, have been cropped and overlapped to fir the full images on A4 sheets. 35 pages