28 A RULE FOR MEASURING ALTITUDES. 



downe alonge upp righte beyonde the staffe from 

 the steple warde his feet juste to the staffe, and 

 whann the staffe so stondeth he lying as is afore- 

 said, as his yie on the hyghest poynte of the 

 staffe is juste with the height of the heighest 

 poynte ofthe steple. Than the juste space from 

 his yie as he lyith to the foote of the steple, that 

 is to saye to that parte of the foote which is as 

 litill as the top therof is the juste mesure of the 

 height of the said steple. And if the staff stonde 

 not juste let hymm remeve it till his yie he lying 

 as is aforesaid with the highest poynte of the 

 staf accorde with the highest poynte of the 

 steple. 



