Names Between 37 And 40 Latitude
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Names Between 37 And 40 Latitude
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Author : United States. Army Map Service
language : en
Publisher:
Release Date : 1950
Names Between 37 And 40 Latitude written by United States. Army Map Service and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1950 with Korea categories.
A Guide To Practical Navigation
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Author : Edmund McNevin
language : en
Publisher:
Release Date : 1877
A Guide To Practical Navigation written by Edmund McNevin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1877 with Nautical astronomy categories.
Roman Portable Sundials
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Author : Richard J.A. Talbert
language : en
Publisher: Oxford University Press
Release Date : 2016-12-16
Roman Portable Sundials written by Richard J.A. Talbert and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-16 with History categories.
In an unscientific era when maps were rarities, how did ancient Romans envisage their far flung empire? This was done by various means for certain, including with the aid of an ingenious type of portable sundial that has barely attracted notice. As the Romans understood before the first century BCE, to track the passage of the sun across the sky hour-by-hour one needed to know one's latitude and the time of year, and that, furthermore, sundials did not have to be fixed objects. These portable instruments, crafted in bronze, were adjustable for the changes of latitude to be expected on long journeys--say, for instance, from Britain to Spain, or from Alexandria to Rome, or even on a Mediterranean tour. For convenient reference, these sundials incorporated lists of twenty to thirty names of cities or regions, each with its specific latitude. One of the insights of Roman Portable Sundials is that the choice of locations offers unique clues to the mental world-map and self-identity of individuals able to visualize Rome's vast empire latitudinally. The sixteen such sundials known to date share common features but designers also vied to create enhancements. Comparison with modern calculations shows that often the latitudes listed are incorrect, in which case the sundial may not perform at its best. But then the nature of Romans' time-consciousness (or lack of it) must be taken into consideration. Richard Talbert suspects that owners might prize these sundials not so much for practical use but rather as prestige objects attesting to scientific awareness as well as imperial mastery of time and space. In retrospect, they may be seen as Roman precursors to comparable Islamic and European instruments from the Middle Ages onwards, and even to today's luxury watches which display eye-catching proof of their purchasers' wealth, sophistication, and cosmopolitanism. Richly enhanced with detailed photographs, line drawings, maps, a gazetteer, and a table of latitudes and locations, Roman Portable Sundials brings these overlooked gadgets out of the shadows at last to reveal their hitherto untapped layers of meaning.
Azimuths Of The Sun For Latitudes Extending To 70 Degrees From The Equator
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Author : United States. Hydrographic Office
language : en
Publisher:
Release Date : 1921
Azimuths Of The Sun For Latitudes Extending To 70 Degrees From The Equator written by United States. Hydrographic Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1921 with Azimuth categories.
Substation History
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Author :
language : en
Publisher:
Release Date : 1956
Substation History written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Meteorology categories.
Useful Tables From The American Practical Navigator
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Author :
language : en
Publisher:
Release Date : 1925
Useful Tables From The American Practical Navigator written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1925 with Nautical astronomy categories.
The Mariner S New Calendar
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Author : Nathaniel Colson
language : en
Publisher:
Release Date : 1753
The Mariner S New Calendar written by Nathaniel Colson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1753 with categories.
The American Practical Navigator
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Author : Nathaniel Bowditch
language : en
Publisher:
Release Date : 1903
The American Practical Navigator written by Nathaniel Bowditch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1903 with Nautical astronomy categories.
Victorian Year Book
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Author :
language : en
Publisher:
Release Date : 1883
Victorian Year Book written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with categories.
Extracts From Various Greek Authors
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Author : Charles Tudor Williams
language : en
Publisher:
Release Date : 1890
Extracts From Various Greek Authors written by Charles Tudor Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1890 with Greek language categories.