1日目 - 筑波大学
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1. uiui 9 1 oU0DmD0000000000000000000000000050 UDD umbra versa D I I D I D a Ii I nn D U 42 Vmbra Versa Anoper maner of werkynge be vmbra versa 3if so be pat pou may nat come to pe bas of pe tour y see hym porw pe nombre of 1 y Fol 2 4 sette per a prikke at my foote pan goo y ner to pe tour amp y see hym porw at pe poynt of 2 de pere y sette a noper prikke amp y be holde how 1 hath hym to 12 amp per fynde y pat yt hath hym twelfe sithes pan be holde y how 2 hath hym to 12 amp pou schalt fynde it sexe sypes pan pou schalt fynde pat as 12 above 6 is pe numbre of 6 Ry3t so is pe space be twen pi too prikkis pe space of 6 tymes pyn altitude amp note pat at pe ferste altitude of 1 pou settest a prikke de aftyrward whan pou seest hym at 2 per pou settest an oper prikke pan pou fyndest betwen too prikkys 60 fett pan pou schalt fynde pat 10 is pe 6 party of 60 And pen 15 10 fete pe altitude of pe tour For oper poyntis 3if yt fylle m vmbra versa as pus y sette caas it fill vppon 2 amp at pe secunde vppon 3 pan schalt pou fy2. O00 BOBO DD D 1 U IA AE SE E E UOUUUY MD 60 0 UI U E AAA EI 10
3. UUUUL UUUUUUUU lll UUUUUUUUUHUU Uu 000000 M LS o ya u Z gt oo J A 1 1 M0000000 00000 Y000000000000060 u UUUUUUUUUUUUUUUUUHUUUULU 0 u Em E dp VP FEST m DI DI E L_ ET EJ L_ DI DI DI EE E Ei DI a NE BE v A Z My 2 1111 1111 1111 e DADO BO 1 DO 11 11 1391 I UU00000000000 Geoffrey Chaucer 00000000000 UUUUU U U U A Treatise on The Astrolabe lll B B ED U U U DO ABO DO DO ODO DO 1 1 ODO 1 1 1 Fol 96 9 To knowe the altitude of the sonne or of othre celestial bodies De altitudine solis amp aliorum corporum supra ce
4. lestium 4 Put the ring of thin Astrelabie vp on thi riht thowmbe amp turne thi lift side a gayn the light of the sonne And rem e ue thi rewle yp and down til pat the stremes of the sonne shyne thorgh bothe holes of thi rewle W loke thanne how Many degrees thi rewle is a reised fro the litel erois vp on thin est line amp tak ther the altitude of thi sonne amp in this same wyse maistow knowe by nyhte the altitude of the Mone or of brihte sterres this chapitre is so general euer in on pat ther nedith no more declaraci n but for get it nat TT amp for the more declaracioun lo here the figure 000 NUUUUUUUUUUUUUUUUU 1 1 OO OB D TE CI BE EEC BE AE 1 1 E DD 1 11 1 1 HEH EFE EEF a EE ara aa and 1 1 111 ol DO gi i m 3 1 1 111 umbra rectal O I UU UU 11 000000000 DAA A WADE An 41 Vmbra Recta Fal 32 Jif it so be pat pou wylt werke be
5. nde pat 2 is 6 partyes of 12 and 3 is 4 partyes of 12 pan passep 6 4 be nombre of 2 so ys pe space be twen too prikkes twyes pe hey3te of pe tour amp 3if pe differens were pries pan schulde it be pre tymes amp pus mayst pou werke fro 2 to 12 amp gif yt be 4 4 tymes or 5 5 tymes amp sic de ceteris Fol 39 MORE 000 Umbra Versa 40000000 U D BO Umbra versa 00 Lb H B 1 B Dg pago o Te ESTAT HELENA PEPE EEE Dada don ga O EE ET RE BTE EVET BE ELE 22 100000004000 NA don EHE LEE E EEE EE EEEE 0000000 66000000000 0100000000000000 010000000 660000000000 0000100000000 0100000000000000ODumbravesa 0000000000 E EE HE E E ED ET EU EEEE 0 120 40000 30 0000000000000000000000 WZ EH 10 080 EE BE EO ON O a EEE TE BE ELA BN ME RWE e 210 JZU EEEE ECCE i AUR 50000 400000 0000000000
6. vmbra recta amp pou may come to pe bas of pe towre in pis maner pou schalt werke Tak pe altitude of pe tour be bobo holes so pat pi rewle ligge ewyn in a poynt Ensample as pus y see hym porw at pe poynt of 4 pan mete y pe space be twen me amp pe tour amp y fynde yt 20 feet pan be holde y how 4 ys to 12 rizt so is the space be twen pe amp pe tour to pe altitude of pe tour For 4 is pe p ridde part of 12 so is pe space be twen pe pe tour pe pridde part of pe altitude of pe tour pan pries 20 feet ys pe heyzte of pe tour wip addyng of pyn owne persone to pyn eye amp pis rewle is so general in vmbra recta fro pe poyn t of oon to 12 And gif pi rewle falle vppon 5 pan is 5 12 partyes of pe hey3t pe space be twen pe amp pe towre wyp addyng of pyn owne heyath 000 000 Umbra Rectal 00000000 umbrareta 00000000 0000000000 000000 BF ONO MA EI GI BEE RH 000000000 220000 0000000 044000000000 000 0000000000000 000000000000 1220 UD UU0000000 20 31 1 000000000000 30 0000000000000000 220 000000000 10 NUUUUUULU U 1 DD OO DO O
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