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The Canterbury Tales
  
THE BOOK OF THE DUCHESS
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THE HOUSE OF FAME
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ANELIDA AND ARCITEThe Compleynt of feire Anelida and fals Arcite.
  
THE PARLIAMENT OF FOWLS
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BOECEIncipit Liber Boecii de Consolacione Philosophie.
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Troilus and Criseyde
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THE LEGEND OF GOOD WOMEN
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THE SHORT POEMS
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[work]
  
A TREATISE ON THE ASTROLABE
  
Here begynneth the descripcioun of thin Astralabie.
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[conclusion]
  
To fynde the degre in which the sonne is day by day, after his cours aboute.
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To knowe the altitude of the sonne or of othre celestial bodies.
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To knowe every tyme of the day by light of the sonne; and every tyme of the nyght by the sterres fixe; and eke to knowe by nyght or by day the degre of eny signe that ascendith on the est orisonte, which that is clepid comounly the ascendent, or ellis horoscopum.
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A special declaracioun of the ascendent.
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To knowe the verrey equacioun of the degre of the sonne yf so be that it falle bitwene thyn almykanteras.
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To knowe the spryng of the dawenyng and the ende of the evenyng, the whiche ben called the two crepuscules.
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To knowe the arch of the day, that some folk callen the day artificiall, fro sonne arisyng tyl it go to reste.
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To turne the houres inequales in houres equales.
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To knowe the quantite of the day vulgar, that is to seyn fro spryng of the day unto verrey nyght.
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To knowe the quantite of houres in equales by day.
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To knowe the quantite of houres equales.
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Special declaracioun of the houres of planetes.
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To knowe the altitude of the sonne in myddes of the day that is clepid the altitude meridian.
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To knowe the degre of the sonne by thy ryet, for a maner curiosite.
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To knowe which day is lik to which day as of lengthe.
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This chapitre is a maner declaracioun to conclusiouns that folewen.
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To knowe the verrey degre of eny maner sterre, straunge or unstraunge, after his longitude; though he be indetermynat in thin Astralabye, sothly to the trouthe thus he shal be knowe.
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To knowe the degrees of longitudes of fixe sterres after that they be determynat in thin Astrelabye, yf so be that thei be trewly sette.
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To knowe with which degre of the zodiak eny sterre fix in thin Astrelabie arisith upon the est orisonte, all though his dwellyng be in another signe.
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To knowe the declinacioun of eny degre in the zodiak fro the equinoxiall cercle.
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To knowe for what latitude in eny regioun the almykanteras of eny table ben compowned.
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To knowe in speciall the latitude of oure countre, I mene after the latitude of Oxenford, and the height of oure pool.
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To prove evidently the latitude of eny place in a regioun by the preve of the height of the pool artik in that same place.
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Another conclusioun to prove the height of the pool artik fro the orisonte.
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Another conclusioun to prove the latitude of the regioun.
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Declaracioun of the ascensioun of signes.
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This is the conclusioun to knowe the ascensions of signes in the right cercle, that is circulus directus.
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To knowe the ascensions of signes in the embelif cercle in every regioun, I mene, in circulo obliquo.
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To knowe justly the 4 quarters of the world, as Est, West, North, and South.
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To knowe the latitude of planetes fro the wey of the sonne, whethir so they be north or south fro the forseide wey.
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To knowe the cenyth of the arising of the sonne, this is to seyn, the partie of the orisonte in which that the sonne arisith.
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To knowe in which partie of the firmament is the conjunccyoun.
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To knowe the cenyth of the altitude of the sonne.
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To knowe sothly the degre of the longitude of the mone, or of eny planete that hath no latitude for the tyme fro the ecliptik lyne.
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This is the worchinge of the conclusioun to knowe yf that eny planete be direct or retrograd.
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The conclusioun of equaciouns of houses after the Astrelabie.
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Another maner of equaciouns of houses by the Astrelabye.
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To fynde the lyne meridional to dwelle fix in eny certeyn place.
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Descripcion of the meridional lyne, of longitudes and latitudes of citees and townes, as wel as of climates.
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To knowe with which degre of the zodiak that eny planete ascendith on the orisonte, wheither so that his latitude be north or south.
  
2 pars hujus conclusio.-->
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SUPPLEMENTARY PROPOSITIONS
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THE ROMAUNT OF THE ROSE

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Houghton Mifflin Company
Boston
1987
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