Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,118 pages of information and 233,665 images on early companies, their products and the people who designed and built them.
Rudolf Meyer A.G. für Maschinen und Bergbau, of Mülheim on Ruhr . Founded by Rudolf Meyer produced mining machinery including large compressors and rock drilling machines. From 1894 compressed air mining locomtoves were produced.
1918 Taken over by DEMAG.