000			07834cam a2200457 4500
001			6273d7c7d0a2d
003			OCoLC
005			20240909204155.0
008			080402s2007 deua b 001 0 eng d
020			_a9780939320301
020			_a0939320304
035			_a(OCoLC)217276586
040			_aWHE _beng _erda _cWHE _dOCLCQ _dUPP _dYDXCP _dYAM _dMEAUC _dOCLCF _dCHVBK _dMXL _dOCLCQ _dOCLCO _dNYHRS
049			_aHRSA
100	1		_aMorrison, James E. _q(James Eugene), _d1941- _eauthor.
245	1	4	_aThe astrolabe / _cby James E. Morrison.
250			_a[First edition].
264		1	_aRehoboth Beach, DE : _bJanus, _c2007.
300			_aiv, 438 pages : _billustrations ; _c28 cm
336			_atext _btxt _2rdacontent
336			_astill image _bsti _2rdacontent
337			_aunmediated _bn _2rdamedia
338			_avolume _bnc _2rdacarrier
504			_aIncludes bibliographical references (pages 415-419) and index.
505	0		_a1. The astrolabe : What is an astrolabe? ; An instrument with a past and a future ; The principle of the astrolabe ; The parts of the astrolabe : The front of the astrolabe ; The rete and rule ; The back of the astrolabe. An illustrated example ; Types of astrolabes : The spherical astrolabe ; The planispheric astrolabe ; Universal astrolabes ; Astrolabe quadrants ; Horizontal instruments ; Astrolabe clocks ; Computer astrolabes -- 2. A concise history of the astrolabe : Foundations of the astrolabe: origins of the stereographic projection ; Development of the astrolabe : Prayer times ; Astrology. Refinement of the astrolabe ; Decline of astrolabe popularity -- 3. The stereographic projection : Principle of the stereographic projection ; Why the astrolabe works ; Application of the stereographic projection to the planispheric astrolabe ; The half angle theorem ; Stereographic projection proofs -- 4. The planispheric astrolabe front : The mater and throne ; The limb ; The plate : Plate interior ; Twilight arcs ; Unequal hours ; Other hour arcs ; "House of Heaven ; Plate latitude. Some special plates : The plate of horizons ; Plate for 0 degrees and 90 degrees ; Plate of ecliptic coordinates -- 5. Drawing the astrolabe plate : The equator and the tropic of Cancer ; Horizon and almucantar projection : Graphical horizon construction ; Altitude circle (almucantar) projections ; Almucantar center projection ; Graphical altitude circle (almucantar) projections ; Almucantar alignment with meridian ; Almucantar separation. Azimuth arc projections : Graphical Azimuth arc construction. Unequal hour arcs ; Islamic prayer times ; Equal hour arcs ; Houses of Heaven ; Other graphical layout methods : The Dastur ; Hartmann's method -- 6. The rete : Precession ; The Ecliptic ; Dividing the Ecliptic ; Star positions : Mediation. A modern rete ; A celestial navigator's rete -- 7. The rule : Making the rule -- 8. The astrolabe back : The back of European astrolabes : The altitude scale ; The solar longitude scale ; The calendar ; Eccentric calendar ; Drawing the eccentric calendar ; Concentric calendar ; Drawing the concentric calendar ; The shadow square ; Drawing the shadow square ; The diagram of unequal hours ; Using the unequal hours diagram ; Equal hour scale ; Equal/unequal hour scale ; Using the equal/unequal hour scale ; Drawing the equal/unequal hour scale. The back of Islamic astrolabes : Shadow scales ; The sine/cosine scale ; Using the sine/cosine scale ; Making the sine/cosine scale ; The cotangent scale ; Using the cotangent scale ; Drawing the cotangent scale ; The arcs of the signs ; The sun's noon altitude curves ; Drawing the sun's noon altitude curves ; The graph of the Azimuth of the qibla ; Drawing the graph of the qibla. Other scales on the back of Islamic astrolabes : Lunar mansions ; Calendars ; Astrological scales. A modern astrolabe back : Using the modern astrolabe back ; Making the modern astrolabe back -- 9. Sample problems : The astrolabe as a teaching tool -- 10. The astrolabe for southern latitudes : The plate ; The rete ; The rule -- 11. Calculation summary : Tropics ; Horizon ; Almuncatars ; Azimuths ; Rete ; How accurate is an astrolabe? -- 12. Universal astrolabe -- 13. The Saphea Arzachelis : The saphea universal astrolabe : Saphea scale ; Parallels ; Polar arcs ; The regula and braciolus ; Uses of the saphea ; The planispheric astrolabe. Making the saphea ; The lamina universal and the "mathematical jewell" ; Peter Apian's "Meteoroscope" ; The quadratum nauticum -- 14. Orthographic astrolabes : The orthographic projection ; The Organum Ptolemei ; The orthographic astrolabe : The origins of the Rojas astrolabe. The Rojas astrolabe : Using the Rojas astrolabe ; Making the Rojas astrolabe ; The regula and cursor -- 15. De la Hire's astrolabe : Using the de la Hire astrolabe ; Making the de la Hire astrolabe ; Calculation example.
505	0		_a16. Quadrants : Introduction ; The Horary quadrant (quadrans vetus) : History of the Horary quadrant ; Making a Horary quadrant ; Accuracy of the Horary quadrant -- 17. The astrolabe quadrant : The principle of the astrolabe quadrant ; The quadrans novus ; The quadrans novus arcs and scales : The quadrans novus interior ; Scales ; Stars ; Right ascension. Using the quadrans novus : Position-related problems ; Time-related problems. Making the quadrans novus -- 18. The Prophatius quadrant : Using the Prophatius quadrant ; Making the Prophatius quadrant -- 19. Gunter's quadrant : Description ; Using Gunter's quadrant ; Making Gunter's quadrant -- 20. Sutton's quadrant : Description ; Using Sutton's quadrants ; Making Sutton's quadrants ; Sutton's "small quadrant" -- 21. Horizontal Instruments : Description ; Hartmann's "compast" ; Time measurement with the horizontal instrument ; Oughtred's double dial ; Using the horizontal instrument ; Using the double dial ; Making the horizontal instrument ; The horizontal projection quadrant -- 22. Astrolabe variations : Van Maelcote's astrolabe : Using van Maelcote's astrolabe ; Making van Maelcote's astrolabe. The linear astrolabe of al-Tusi ; Islamic astrolabe variations ; Planisphere : Making a planisphere. Other astrolabe related devices -- 23. Astrolabe clocks : Monumental astrolabe clocks ; Personal clocks with astrolabe dials ; The Ulysse-Nardin "Astrolabium Galileo Galilei" -- 24. Astronomical background : The celestial sphere : Equatorial coordinates ; Ecliptic coordinates ; Mediation. The sun's position ; Time ; Telling time ; Sidereal time -- 25. Astronomical calculations : Transformation of coordinates ; Time in astronomical calculations : The origin of the Julian period ; Uses of the Julian period ; Calculating Julian days. The sun's position ; Stellar precession ; The equation of time ; Calculating time -- 26. Computers and astrolabes : Simple astrolabe programs ; Some useful routines : Drawing a circle from three points ; Clipping circles ; Ecliptic division -- 27. Design, layout and fabrication : Design ; The back ; Fabrication alternatives.
562			_331560000025573 _b11558
590			_aA comprehensive, scholarly book on the Atrobabe, its history, its function, its construction et cetera Includes explanation of projections, MAny black and white illustrations, covers both european and arab astrolabes,
650		0	_aAstrolabes. _0http://id.loc.gov/authorities/subjects/sh85008890 _96987
650		0	_aAstronomical instruments. _0http://id.loc.gov/authorities/subjects/sh85008996 _94912
650		7	_aAstrolabes. _2fast _0(OCoLC)fst00819392 _96987
650		7	_aAstronomical instruments. _2fast _0(OCoLC)fst00819641 _94912
650		7	_aAstrolabium _2gnd _0(DE-588)4003304-1
653		0	_aScientific instrument
653		1	_aAstronomy
942			_2lcc _cBK _n0
994			_aC0 _bNYHRS
998			_aReady for QC
999			_c56 _d56