Note: Speed, Navigational Accuracy and the ‘ship log’

By Frank Scott, published November 2006


This note explains the theory and practice of using a ‘ship log’ to calculate speed and distance run. The first original English contribution to the mariner’s art, the sand-glass timer, hand-reel and weighted logline were used from the time of the Mary Rose to the record breaking clipper Lightning.

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Filed under: Other (Early Modern) | Other (Nineteenth C) | Other (Eighteenth C) | Other (location)
Subjects include: Ship Handling & Seamanship

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