

HEIGHTS AND DISTANCES. 71 



of pe table, and pan se by pat reulure pe forsaide 

 ende. and pere make anoper lyne by pe reulure in 

 pat table. pan lay pe table vpon pe playne grounde. 

 and lay on pise tuo lynes tuo thredes even til pei 

 mete, pan mesure pe distaunce bitwene pe metyng 

 of po thredes and pe table, and so depe es pe 

 welle Also for J>e same.rayse even vp on }?e mouthe 

 of )?e well swilk a quadrat as we spak of bifore. 

 J?an by CB loke J?e ende in J?e bothome of J?e 

 welle. and |?at sale hight F. pan move E toward 

 and fro ward til by DE you se est F noght 

 chaungynge J?e first place BC. }?an biholde where 

 E stondes bytwene AB. pan multiply DA in AB 

 and departe pat comes pereof by AE. and pat 

 nonmbre howe oft it be es pe depnes of pe welle. 

 whilk es BF. 



Nowe oure tretis of geometri es thus endid. 



