Port of Saint John
... that the steam-powered foghorn was first demonstrated successfully in 1859 on Partridge Island in the Port of Saint John?
... that the steam-powered <a href="./Foghorn" id="mwBf4" rel="mw:WikiLink" title="Foghorn">foghorn</a> was first demonstrated successfully in 1859 on <a class="mw-redirect" href="./Partridge_Island,_New_Brunswick" id="mwBf8" rel="mw:WikiLink" title="Partridge Island, New Brunswick">Partridge Island</a> in the <b id="mwBgA"><a href="./Port_of_Saint_John" id="mwBgE" rel="mw:WikiLink" title="Port of Saint John">Port of Saint John</a></b>?