According to author Captain Henry H. Hooyer, forces acting on the ship have an effective lever arm with respect to a hypothetical pivot point. The forces creating or affecting this pivot point include the ship's motion, underwater resistance, and momentum. The book will be particularly helpful to pilots and ships' officers, and those whose jobs require a thorough understanding of ship behavior.
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Video Look at Life - Down London River (Thames) - 1959
published on 18 March 2021
This documentary made in 1959 in the popular Look at Life series is from Volume 5 - Cultural History and takes a journey along the River Thames passing several famous buildings and monuments such as - County Hall, Royal Festival Hall, Shell Mex House which has the biggest clock face in London. Cleopatra's Needle, St Paul's Cathedral, Tower of London, Tower Bridge, Port of London Authority, Prospect of London Pub, Port of London Docks.