1920:
Economic Motors Ltd
Economic Bicycle Motor Wheel - Economic Cyclemotor
Rec. Num. 1 of 2
Source: The Motor Cycle December 2nd 1920
1921:
Economic Motor Ltd
1921 Economic Bicycle Motor Wheel - Economic Cyclemotor
Rec. Num. 2 of 2
Source: The Motor Cycle March 17th 1921
