double planking
21Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
22Clifton Suspension Bridge — Clifton suspension bridge. Carries Cars, pedestrians and cycles Crosses River Avon …
23Nauvoo Temple — For the modern structure rebuilt on the same site, see Nauvoo Illinois Temple. Nauvoo Temple Destroyed Undated photograph of the Nauvoo Temple …
24chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name Chondrichthyes, or Selachii any… …
25naval ship — Introduction the chief instrument by which a nation extends its military power onto the seas. Warships protect the movement over water of military forces to coastal areas where they may be landed and used against enemy forces; warships… …
26Surfboard — For other meanings see Surfboard (disambiguation). A stack of boards in Waikiki during a surf competition …
27CSS Alabama — For other ships named Alabama, see USS Alabama. A painting of CSS Alabama Career …
28John MacGregor (sportsman) — John MacGregor (1825 ndash; 1892), nicknamed Rob Roy after a renowned relative, was a Scottish explorer, travel writer and philanthropist. He is generally credited with the development of the first sailing canoes and with popularising canoeing as …
29Harbour Defence Motor Launch — The Harbour Defence Motor Launch (HDML) was a British small motor vessel of the Second World War.The HDML was designed by W J Holt at the Admiralty in early 1939. During World War II 486 HDMLs were built, mainly by yacht builders, in the United… …
30Gorgon class monitor — HMS Gorgon Class overview Name: Gorgon Builders: Armstrong Whitworth …
