1913:
W.H.Dorman & Co Ltd
1913 Dorman Twin Cylinder Water-Cooled Engine
Rec. Num. 1 of 2
Source: The Motor Cycle October 30th 1913
1925:
Dormans Of Stafford
Bradshaw Engines - Bradshaw Three-Fifty Motor Cycle Engine
Rec. Num. 2 of 2
Source: Motor Cycling September 23rd 1925
