TYZACK ZYTO Machine Tool Catalogue Circa 1930s with machines and accessories by Zyto, IXL, Drummond, Myford, EXE, Milnes, Adept, "Ensign", Milnes, "Norvic" and Britannia, etc. 24 pages. 

Portass Lathes: no manuals were ever issued but there is a wonderful collection of (rare) Sales & Technical Specification Sheets, Individual Machine Catalogues, Illustrations, Accessories and "Letters of Recommendation" available: X.L., Mark V, Model X.