Vice Admiral Sir Henry Kellett, was an Irish naval officer and explorer.
Sir Henry Kellett
Admiralty Chart of the Strait of Juan de Fuca, surveyed by Kellett in 1847
HMS Sulphur was a 10-gun Hecla-class bomb vessel of the British Royal Navy, famous as one of the ships in which Edward Belcher explored the Pacific coast of the Americas.
Belcher's visit to Honolulu fort, Oahu, Sandwich Islands
EIC ship Nemesis, with boats from the Sulphur, Calliope, Larne and Starling, destroying Chinese war junks in Anson's Bay, on 7 January 1841.