Fortis (a re-badged Clausing) 100 Series and 4800 Series "12-inch" (6-inch centre height) Lathes. Three Instruction and an Illustrated Parts Manual (with detailed Cross Sectional Drawings and exploded illustrations) that cover all variants of these early lathes from the 100 Model of 1938 to the renamed machine (Series 4800) of 1952 - and to the last versions made in 1964. Includes an additional 36 pages of Clausing Sales, Specification and Accessories literature and a copy of the rare Fortis Sales and Specification Catalogue.