Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,518 pages of information and 233,949 images on early companies, their products and the people who designed and built them.
May Brothers of 324 Clapham Road, London produced motorcycles between 1903 and 1906.
Little information is available, but this was probably a cycle business that became involved in the powered industry by fitting an engine to a heavy-duty bicycle frame. Engines would have been Minerva, MMC or Sarolea. Various other options would have been on offer as the machines were built to order.