History: Titanic (right) had to be moved out of the drydock so her sister Olympic (left), which had lost a propeller, could have it replaced [1,600 × 1,206] March 6, 1912

http://i.imgur.com/SHZ1Ipe.jpg via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/496yfv/titanic_right_had_to_be_moved_out_of_the_drydock/