Hostname: page-component-78c5997874-94fs2 Total loading time: 0 Render date: 2024-11-03T01:51:19.720Z Has data issue: false hasContentIssue false

Five Centuries of Dead Reckoning

Published online by Cambridge University Press:  01 July 1950

Extract

The term ‘dead reckoning’, so the Admiralty Navigation Manual (1938) says, is a corruption of the old ‘ded-uced reckoning’ or ‘position by account’, and is used to cover all positions that are obtained from ‘the course the ship steers and her speed through the water, and from no other factors.’ (The last italics are ours.) Had Master William Borough, Chief Pilot of the Muscovy Company, and presently to be appointed to Queen Elizabeth's Navy Board, come across this definition, he would have picked a two-fold quarrel with their present Lordships at Whitehall. For his use and explanation of the term is the earliest of which we have knowledge, although it does not appear even then to have been new.

Type
Research Article
Copyright
Copyright © The Royal Institute of Navigation 1950

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)