1919:
Mann Egerton & Co Ltd
Mann Egerton Aeronautical & Motor Engineers. 1919 Advert
Rec. Num. 13 of 14
Source: Aeroplane January 15th 1919
1919:
Mann Egerton & Co Ltd
Mann Egerton. Aircraft Manufacturers. 1919
Rec. Num. 14 of 14
Source: Aeroplane March 12th 1919