1947:
The Manganese Bronze And Brass Co Ltd
Managanese Bronze & Brass Damaxine Phosphor Bronzes
Rec. Num. 37 of 38
Source: Aeroplane May 16th 1947
1947:
The Manganese Bronze And Brass Co Ltd
Managanese Bronze & Brass Co - Oilite Self Lubricating Bearings
Rec. Num. 38 of 38
Source: Aeroplane September 5th 1947