Darwin & Milner Cobaltcrom Tungstenless
Darwin and Milner Cobaltcrom Tungstenless High Speed Steels 1917 - Darwins Ltd
Picture No
13887838
Media ID
43767354
Size
2114px x 2836px
(1.1MB)
Credit
© Aviation Ancestry Collection / Mary Evans
Source
Flight magazine - August 2nd 1917
Date
1917
