Practices briefly reviewed, especially as they apply to airplane manufacture. See also Engineering Index 1938 p 44. (See also - n 119, 121 Jan 1939 p 27, Mar p 138)
Notes on welding practice
Aircraft Eng
Aircraft Engineering ; 11 , n 125
1939
2 pages
Article (Journal)
English
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Engineering Index Backfile | 1938
|Emerald Group Publishing | 1938
|Engineering Index Backfile | 1938
|Emerald Group Publishing | 1939
|Emerald Group Publishing | 1938
|