Rhif Cyf AmgWYNN/338
TeitlDraft letter from H W K to the Secretary of the Royal Commission on Awards to Inventors
DisgrifiadApplying for an award for his invention "The Secret Inshore Down Channel Track", devised and designed by HWK for the protection of shipping proceeding from the Dover Straits down-channel to join convoys assembling off Plymouth and Falmouth
Dyddiad1914 - 1918
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