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IN this thirde and last partye of this present booke we shal fynysshe it wyth spekynge of the faites of astronomye / And I wyl declare to you first / thw the daye cometh and the nyght and for to make you vnderstande
of the Eclipses / And also for to vnderstande other thin∣ges / the whiche may moche prouffyte to them that wylle doo payne to knowe them / ffor to gouerne them the better after the disposicion of the tyme /
TRouthe it is that the Sonne maketh h̄is torne & cours aboute therthe in the daye and nyght and gooth egally euery houre / And also longe as he abydeth aboue therthe / so longe haue we the deduyt of the day / & whan he is vnder therthe / thenne haue we the nyght / lyke as ye went tornyng abrennyng candell aboute your heed or as ye shold bere it a lytil ferther of / Round aboute an apple / And that the candel were alway brennyng / thenne the partye that were alway ayenst the candel shold alle∣way be l••ght / And that other partye that is ferthest fro it shold be obscure and derke / Thus in lyke wise doth the sonne by his propre nature for to be / day and nyght aboute therthe / he maketh the day to growe byfore hym / And on that other parte the erthe is vmbreuse & derke by hynde hym and where as he may not shyne / And this is the shadowe of the nyght whiche the deduyt of the day taketh away from vs / but for as moche as the sonne is moche gretter that therthe / the shadowe goth lytil and lytil tyl at thende it cometh to nought / lyke the sown of a clocke endureth after the stroke / But yf the sonne and therthe were of one lyke gretenesse / this shadowe shold haue none ende / but shold be all egal without declynyng / And yf
therthe we∣re
that thing that ye wold see is it the heuen or erthe or ony other thynge / yf that thyng that ye holde is more bredder and larger than your two eyen be a sondre / it shal take away the syght ayenst that whiche is no bredder / And yf the thynge be alle egale in lengthe as moche as ye may stratche your two eyen / as moche shal it be taken fro you as the thinge shal haue of gretnes / as ye may see by this figure bynethe an that other syde / And yf the thinge haue lasse of gretnes than the lengthe is bytwene your bothe eyen / it shal take fro you lasse for to see / as wel ny∣ghe as ferre / that it is of largenes of that whiche ye wold see / And whan ye put the thynge ferther fro your eyen / so moche the more may ye see of that other part ouer and aboue you / so that ye may se all / In lyke wyse is it of the sonne withoute ony doubtaunce or variacion / ffor it passeth therthe in gretnesse so that it seeth the heuen al aboute the sterres and all that is on the firmament.