British Air Transport Ltd

 Also operated out of the private aerodrome at Lodge Lane, Addington, Croydon.

 Moved to Redhill 1935

 (above & below) 'Klemm Salmson' of British Air Transport at Croydon

 (above) a 'De Havilland DH80 Puss Moth' of B.A.T.

 (below) 1932 advertisements. bottom one 1933

 (below) British Air Transport Ltd luggage label.