Navigational Instruments by Richard Dunn

Navigational Instruments



Download Navigational Instruments

Navigational Instruments Richard Dunn ebook
Format: pdf
ISBN: 9780747815068
Page: 80
Publisher: Bloomsbury USA


The purpose of navigation is to ascertain the present position and to determine the speed, direction etc. The National Maritime Museum (NMM) holds a large and varied collection of astronomical and navigational instruments. Globus IMP instruments were spacecraft navigation instruments used in Soviet and Russian manned spacecraft. Ritchie & Sons, Nautical Instruments Product Code : C. John Smith provides us with a basic list of navigational instruments which he believed should be on a ship in his day. Backstaff The Back Staff or Back Quadrant is an navigational instrument that was used to determine latitude by measureing the altitude of the sun in the sky. A magnifying glass and plane table frame used by Captain James Cook during his Pacific voyages. Navigational instruments refers to the instruments used by nautical navigators and pilots as tools of their trade. To arrive at the port or point of destination. The main instruments mariners need for Celestial Navigation are the chronometer and some way of measuring the altitude of bodies above the horizon. A sextant is an instrument used in navigation. Landfall Navigation® supplies every plotting tool and nav-aid for the mariner. Navigational instruments include products such as distance meters, range finders and mapping systems.





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