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The history of the Sundial,
This review is from: Sundials: History, Art, People, Science (Hardcover)
This book was made available in the Netherlands for a price of just over 10 pounds sterling, an offer I could not resist. My interest is mainly in portable sundials and astrolabes, this book tells more about the history of the sundial in general. As stated by the author in the last chapter: This is not a book about every aspect or design of sundial. It says nothing about astrolabes or quadrants, both of which can also be used to tell the time. Nor, perhaps thankfully, does it include much mathematics. It is written for those who may be interested in the central story of measuring time without the use of clocks. The author has achieved this with many beautiful pictures of stunning examples. The book has its focus somewhat more on what happened in the UK than elsewhere, to be expected from a Patron of the British Sundial Society. It is well written and understandable for a large audience, therefore recommended for all those interested in the history of the sundial.
As an afterthought, even in our age of GPS and satellite controlled clocks, there is still a need for a book explaining the history of all instruments made for determining the time or your position on earth based on the accurate measurement of the position of the sun. Because if you know your position on Earth and the exact position of the sun, you can determine the time. The other way round, if you know the exact time, you can determine your position on Earth.