Hughes constructed three 'Hippo' caissons were towed from the Morfa to the test site Rigg Bay, Solway Firth near Garlieston, Scotland.
Conwy | River Conwy | Conwy County Borough | Peter Rowley-Conwy | ''Penillion singing near Conwy'' (1792) by Julius Caesar Ibbetson | Geoffrey Alexander Rowley-Conwy, 9th Baron Langford | Craig y Forwyn, Conwy |