1913:
The Monopole Cycle Co Ltd
Monopole Motor Cycles
Rec. Num. 1 of 2
Source: The Motor Cycle May 22nd 1913
1921:
The Monopole Cycle & Motor Co Ltd
Monopole Motor Cycles - Monopole 2 3/4 hp Two-Stroke
Rec. Num. 2 of 2
Source: The Motor Cycle March 24th 1921
