Aaron Manby
... that in 1821–22 Aaron Manby built the world's first seagoing iron-hulled steamship, named after him, and patented the design of its oscillating engine?
... that in 1821–22 <b id="mwDYM"><a href="./Aaron_Manby_(ironmaster)" id="mwDYQ" rel="mw:WikiLink" title="Aaron Manby (ironmaster)">Aaron Manby</a></b> built the world's first seagoing iron-hulled steamship, <a href="./Aaron_Manby" id="mwDYU" rel="mw:WikiLink" title="Aaron Manby">named after him</a>, and patented the design of its <a href="./Oscillating_cylinder_steam_engine" id="mwDYY" rel="mw:WikiLink" title="Oscillating cylinder steam engine">oscillating engine</a>?