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Date : 2013-07-01
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The Marine Chronometer Its History and Development ~ Marine chronometers were designed and built in a time when the lives of ships crews and the survival of the ships could easily depend on the accuracy of the marine chronometers they carried on board so their navigators could make accurate positional calculations based on celestial navigation
The Marine Chronometer Its History and Development John ~ Marine Chronometers provides a comprehensive history of this intriguing piece of navigational equipment tracing its evolution from the early navigational aids into the precision instrument that helped shaped trade and economic development for 200 years
The Marine Chronometer Its History and Development by ~ The Marine Chronometer Its History and Development by Rupert T Gould 20130701 on FREE shipping on qualifying offers Will be dispatched from UK Used books may not include companion materials may have some shelf wear
The Marine Chronometer Its History and Development ~ The Marine Chronometer Its History and Development incorporating Gould’s own amendments and additions rom his original annotated manuscripts by Rupert T Gould with new illustrations and
The Marine Chronometer Its History and Development ~ Rupert Thomas Gould 18901948 was not a professional horologist yet he researched and wrote The Marine Chronometer in just four years between the ages of 29 and 33 A true English eccentric and a veritable polymath Gould made important contributions in an extraordinary range of subject areas from early typewriters to the Loch Ness Monster from antiquarian horology to the history and rules of the game of tennis
Customer reviews The Marine Chronometer Its ~ Marine chronometers were designed and built in a time when the lives of ships crews and the survival of the ships could easily depend on the accuracy of the marine chronometers they carried on board so their navigators could make accurate positional calculations based on celestial navigation
The Marine Chronometer Its History And Development ~ The Marine Chronometer Its History And Development In June of 1920 a semiobscure retired Royal Navy officer working on a book on the history of marine chronometers ran across something remarkable at the Royal Observatory at Greenwich the clocks known as H1 H2 H3 and H4 which had been built over the course of a lifetime by John Harrison
Marine Chronometers Its History and Development by John ~ Marine Chronometers provides a comprehensive history of this intriguing piece of navigational equipment tracing its evolution from the early navigational aids into the precision instrument that helped shaped trade and economic development for 200 years
Marine chronometer Wikipedia ~ A marine chronometer is a timepiece that is precise and accurate enough to be used as a portable time standard it can therefore be used to determine longitude by means of accurately measuring the time of a known fixed location for example Greenwich Mean Time and the time at the current location When first developed in the 18th century it was a major technical achievement as accurate knowledge of the time over a long sea voyage is necessary for navigation lacking electronic or communication
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