File No NS20 Drawings from B.T.H. For Correspondence see NS19. 1937-1941.

Made:
1937-1941
maker:
Ferranti Ltd

Folder containing two envelopes;

B.T.H Drawings and Ferranti Drawings.

Details

Extent:
1
Identifier:
YA1996.10/9/1/1/2/21
Subject:
Electrical Industry, Transformer