Antique ICS Reference Library Set 4 Hardcover Books Engineering Steam Leather

Antique set of 4 I.C.S. Reference Library hardcover books published by International Correspondence Schools. Bound in brown leather with gilt embossed lettering along the spines. Includes Volume 9 (Steam Boilers, Elevators), Volume 10 (Steam Engines, Steam Pumps), Volume 8 (Dynamos, Motors, Dynamo-Electric Machinery, Drawing, Steam Heating, Steam Turbines), and Volume 1 (Mathematics, Mechanics, Electricity and Magnetism, Heat and Steam). Classic early 20th-century technical and engineering reference manuals with distinctive vintage patina. Some writing on first pages, wear on binding.