Gould & Eberhardt Gear Hobbing Machines Types 16H, 24H, 36H, 48H, 72H. Detailed Catalogue Gould & Eberhardt Gear Hobbing Machines Types 16H, 24H, 36H, 48H, 72H. The usual very high-quality Gould and Eberhardt Publication with complete details of the machines' construction and operating principles. 28 pages. Manufacturers: Gould & Eberhardt Models: 16H 24H 36H 48H 72H Contents: Catalog