Keywords: Adam Duncan.jpg File Adam Duncan 1st Viscount Duncan by John Hoppner jpg artwork Creator John Hoppner Portrait of male en Adam Duncan was a British admiral who defeated the Dutch fleet off Camperdown c 1798 Oil on canvas cm 74 9 62 2 Institution NPG Quelle en Wiki Das Bild ist über 200 Jahre alt other versions <gallery>Adam Duncan 1st Viscount Duncan by John Hoppner jpg</gallery> PD-old-100 GFDL relicense DEFAULTSORT 1798c; Adam Duncan by Hoppner Paintings by John Hoppner 18th-century portrait paintings in the National Portrait Gallery London Adam Duncan 1798 oil on canvas paintings in the United Kingdom Portrait 1798 portrait paintings from Great Britain Male 18th-century oil portraits of men at bust length in military uniforms 18th-century oil portraits of men at half length in military uniforms Knights of the Order of St Alexander Nevsky Male portrait paintings with powdered wigs Portrait paintings of men of the United Kingdom Portraits with sky background Sashes of chivalric orders in portrait paintings Stars of chivalric orders in portrait paintings |