Download E-books Sextants at Greenwich: A Catalogue of the Mariner's Quadrants, Mariner's Astrolabes, Cross-staffs, Backstaffs, Octants, Sextants, Quintants, ... in the National Maritime Museum, Greenwich. PDF

By W.F.J. Mörzer Bruyns

Sextants at Greenwich comprises major sections: The introductory chapters and of navigating tools of the nationwide Maritime Museum.

the 1st part provides a normal assessment of the background of celestial navigation with an emphasis at the tools that have been constructed and used for that objective, among approximately 1450 and the Nineteen Seventies. The tools within the catalogue shape the most thread in those chapters.

includes 347 entries of tools for celestial navigation, the octants, sextants and similar tools preserved within the nationwide Maritime Museum. each one access comprises where of the object's foundation, its maker, the object's date, inscriptions (by the maker and/or in terms of an owner), the graduated scale, the instrument's dimensions and a normal description that comes with information similar to used fabrics and indifferent components. ultimately the object's provenance (previous vendors and/or clients) and references to literature on its heritage and dealing with are given.

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Read or Download Sextants at Greenwich: A Catalogue of the Mariner's Quadrants, Mariner's Astrolabes, Cross-staffs, Backstaffs, Octants, Sextants, Quintants, ... in the National Maritime Museum, Greenwich. PDF

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