Note 175 — Chapter XIII · STEAM NAVIGATION—THE ‘GREAT EASTERN’ STEAM-SHIP. COMPLETION AND SUBSEQUENT HISTORY. A.D. 1858-1859: ÆTATIS 52-54. A.D. 1859-1870.
Reading edition
Between the screw and the rudder was what was termed the after stern-post, which had no duty to perform except to steady the heel of the ship, into which the rudder was stepped.