Her keel was laid on 29 December 1936, under construction number 940.

Her keel was laid on 6 July 1935, under construction number 246.

Her keel was laid on 25 June 1931, under construction number 123.

Her keel was laid on 1 October 1932, under construction number 125.

Her keel was laid on 15 August 1936, under construction number 246.

Her keel was laid on 23 April 1936, under construction number 564.

She was laid down in 1895 under construction number 22.

Little is known yet about their serials and construction numbers.

She had been ordered as "P", under construction number 100.

Her keel was laid on 2 August 1937, under construction number 941.