Firth Brown Supa Leda High Speed Steels
Firth Brown Supa Leda High Speed Steels - Thos Firth and John Brown Ltd Sheffield
Picture No
13891817
Media ID
43686199
Size
2153px x 3112px
(2.6MB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aeroplane magazine - June 20th 1952
Date
1952
