1937:
Pride & Clarke Ltd
Pride & Clarke Motor Cycle Sales & Parts Stockists.1937 Calthorpe
Rec. Num. 61 of 62
Source: The Motor Cycle June 24th 1937
1938:
Calthorpe Motorcycle Company
Calthorpe Motor Cycles 1938
Rec. Num. 62 of 62
Source: Motor Cycling June 8th 1938
