By W.F.J. Mörzer Bruyns, Richard Dunn
A list of the Mariner's Quadrants, Mariner's Astrolabes Cross-staffs, Backstaffs, Octants, Sextants, Quintants, Reflecting Circles and synthetic Horizons within the nationwide Maritime Museum, Greenwich.
Sextants at Greenwich comprises major sections: The introductory chapters and of navigating tools of the nationwide Maritime Museum.
the 1st part offers a common evaluation of the background 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.
comprises 347 entries of tools for celestial navigation, the octants, sextants and similar tools preserved within the nationwide Maritime Museum. every one access contains where of the object's beginning, its maker, the object's date, inscriptions (by the maker and/or when it comes to an owner), the graduated scale, the instrument's dimensions and a common description that incorporates information equivalent to used fabrics and indifferent components. eventually the object's provenance (previous proprietors and/or clients) and references to literature on its heritage and dealing with are given.