Ronald William Keymer
From The Dreadnought Project
Life & Career
Keymer was promoted to the rank of Lieutenant on 15 August, 1923.
Keymer was promoted to the rank of Lieutenant-Commander on 15 August, 1931.
Rowland E. S. Hugonin
|Captain of H.M.S. R 4
21 Apr, 1930 – 1 Jul, 1931[Inference]
Lionel H. Phillips
- The Navy List. (July, 1931). p. 262.