1915:
Essenkay Ltd
Essenkay Tyre Filling Medium - Essenkay Tyre Filler
Rec. Num. 1 of 2
Source: The Motor Cycle August 19th 1915
1915:
Essenkay Ltd
Essenkay Air Substitute Tyre Filling Medium 1915
Rec. Num. 2 of 2
Source: The Motor Cycle September 2nd 1915
