SULTANA is steered not by a wheel, but with a tiller.  This device can manipulate the tiller from port to starboard allowing the vessel to maneuver.

Printables:

Steering with the Tiller

Additional Links:

A visual guide to an 18th century sailboat, including the tiller.

https://cnx.org/contents/MKkkS-a6@3.2:ABAPE9px@8/Principal-Parts-and-Sails-of-19th-Century-Sailing-Ships

An explanation of the tiller’s role in steering the ship.

https://www.youtube.com/watch?v=h3UX67RjrL0