1920:
The Service Motor Company Ltd
1920 Unibus Motor Scooter - Unibus 2 Wheel Motor Car
Rec. Num. 1 of 2
Source: The Motor Cycle November 18th 1920
1920:
The Gloucetershire Aircraft Co Ltd
Gloucetershire Aircraft Unibus Motor Scooter 1920 - XC 977
Rec. Num. 2 of 2
Source: The Motor Cycle December 2nd 1920
