British battleships HMS Rodney and Nelson not fitted out with torpedo bulges according to the Dutch magazine Marineblad dated 1925 no. 3

British Nelson-class

Japanese Nagato

American Colorado-class

An item referred to the German magazine Marine Rundschau dated April 1925 reporting that the British battleships Rodney (1) and Nelson (2) in the spring would be launched and commissioned in end 1926. The ships were not to be fitted out with the so-called blisters or torpedo bulges for torpedo protection due to the many disadvantages. Instead was chosen to increase the partitioning below the waterline

Notes
1. Of the Nelson-class with as sister ship the HMS Nelson, preceded by the never realized N3-class and the realized Revenge-class and succeeded by the King George V-class. Building ordered in 1922, laid down at Cammell Laird, Birkenhead, England on 28 December 1922, launched on 17 December 1925, sponsored y Princess Mary, completed in August 1927, commissioned on 10 November 1927, involved in the battle with the German battleship Bismarck 26-27 May 1941. decommissioned in 1946, stricken in 1947 and started at Inverkeithing, Scotland her breaking up on 26 March 1948. Building costs 7.617.799 pond sterling. Originally intended to be larger but as result of the Washington Naval Treaty of 1922 was her designed displacement limited to just 35.000 tons.
2. Of the Nelson-class with as sister ship the HMS Rodney, preceded by the never realized N3-class and the realized Revenge-class and succeeded by the King George V-class. A simplified design of the N-3 battleships which was cancelled by the British Royal navy as a result of the Washing Naval Treaty of 1922. She was to able to compete with the USS Colorado and the Japanese Nagato battleship classes. Her building was ordered in 1922, laid down on 28 December at Armstrong-Whitworth, Newcastle launched on 3 September 1925, commissioned on 15 August 1927, 1941-1942 extensively repairs needed as a result of an Italian torpedo, decommissioned in February 1948 and on 15 March a year begun her breaking up. Naval Treaty of Washington between the United States, British Empire, Japan, France and Italy signed on 6 February 1922 as a result of the Washington Naval Conference between November 1921-February 1922 which intended to limit the total capitals ship tonnage of these five major powers.