Milano: the salon, 1937. Respectively 27, 8, 16p., stapled offprints on high-gloss alkaline leaves, each 11.5x9 inches, featuring diagrammatic views (and artists' renderings, or retouched photographs) of various suspension systems - diesels - industrial vehicles with "X-ray" renderings of body-shells and undercarriages. These disbound fascicles are in pretty good shape, just some handling crimps and rusted staples (without migration). The three offprints as a small lot, for $35.
Find a wide variety of makes. First and longest item shows Ford, Studebaker, Packard, Chrysler, Hudson-Terraplane, Opel, Chev, Pontiac, Adler, DKW, Wanderer, BMW, Hansa, Maybach, Mercedes-Benz, Wolseley, Autocar, MG, Jaguar, Rolls Royce, Alfa-Romeo, Skoda, Tatra, and.. a lot of statistics. For diesel, find Hanomag, Mercedes, Saurer, engines only except for a Hanomag undercarriage. The Industrials are great, and wierd.