Akademik

Three Crane Stairs
   At the south end of Queen Street, on the Thames, in Vintry Ward (Strype, ed. 1720, I. iii. 13-Lockie, 1816).
   The Three Cranes was the usual place for the Lord Mayor and Aldermen to take water at, to go to Westminster Hall, for the new Lord Mayor to be sworn before the Barons of the Exchequer (See Machyn's Diary, 1552, p.25).

A Dictionary of London. . 1918.