Instructions, Model A. Taylor-Hobson Model 'A' Bench Engraving Machine. (Leicester, England: Taylor, Taylor & Hobson, Ltd., [no date, but between 1946 and 1996]). The Model A is a smaller, bench-mounted machine with a fixed worktable. A digitization of this manual is online in the "Files" section of the Yahoo! "Pantograph-Engravers" group.