THE growth in recent years of drop forging and stamping is recognised as being fundamentally linked with the history of the development of high‐speed transport.
Thain, W.A. (1932), "Drop Forgings and Stampings: The Technique of the Process Explained with a Description of the Plant Used", Aircraft Engineering and Aerospace Technology, Vol. 4 No. 4, pp. 96-97. https://doi.org/10.1108/eb029534
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