Firth Brown Specail Alloy Steel Drop Forgings
Firth Brown Specail Alloy Steel Drop Forgings - Thos Firth and John Brown Ltd Sheffield
Picture No
13891682
Media ID
43797831
Size
2024px x 2919px
(1.0MB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Aeroplane magazine - June 2nd 1937
Date
1937
