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 common evaluate of the historical past of celestial navigation with an emphasis at the tools that have been constructed and used for that function, among approximately 1450 and the 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 comparable tools preserved within the nationwide Maritime Museum. every one access comprises where of the object's beginning, its maker, the object's date, inscriptions (by the maker and/or with regards to an owner), the graduated scale, the instrument's dimensions and a normal description that incorporates info akin to used fabrics and indifferent elements. eventually the object's provenance (previous vendors and/or clients) and references to literature on its background 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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