Britain’s Island Fortresses: Defence of the empire 1756–1956
The Mariner's Mirror ; 106 , 4 ; 487-489
2020-10-01
3 pages
Article (Journal)
Electronic Resource
Unknown
Engineering Index Backfile | 1942
War production -- Flying fortresses
Engineering Index Backfile | 1943
|Deep-drawing helps to build Flying Fortresses
Engineering Index Backfile | 1943
|Good tooling simplifies production of "Flying fortresses,"
Engineering Index Backfile | 1943
|Engineering BDV production of flying fortresses
Engineering Index Backfile | 1943
|