Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,218 pages of information and 223,604 images on early companies, their products and the people who designed and built them.
In 1926, three brothers Adriano, Marcello and Bruno Ducati founded Societa Scientifica Radio Brevetti Ducati in Bologna, Italy. The company produced tubes, condensers and other radio components. The cornerstone of a new factory in Borgo Panigale was laid in 1935.