1956:
Ferro Enamels Ltd
Ferro Enamels. AID Prroved Ferro-Solarmic Prevents Corrosion
Rec. Num. 1 of 2
Source: Aeroplane August 31st 1956
1956:
Ferro Enamels Ltd
Ferro Enamels. Ferro-Solaramic Ceramic Coatings
Rec. Num. 2 of 2
Source: Aeroplane May 18th 1956