41 



The Statute perch is 5$ yards long. 



The Cunningham perch is 6 ,, ,, 

 The Irish perch is 7 ,, ,, 



One acre Irish measure is equal to IA. 2n. 19p. Statute, 



and to IA. ]R. OP. Cunningham. 



If one acre Statute measure were worth . . . . l 

 One Cunningham acre of the same land would be worth . 1510 

 One Irish acre ,, ,, would be worth . 1 12 5 



The Ordnance Survey of Ireland is all computed in 

 Statute measure, and the law of the land recognises this 

 only, unless some other be specially mentioned. 



o. EULES FOR CONVERTING THE SEVERAL MEASURES INTO 



OTHER MEASURES. 



1. To bring Irish measure into Statute, multiply by 196 

 and divide by 121. 



Example In 12A. 3n. 2 IP. Irish, how much Statute 

 measure. 



12 3 21 



4 



51 

 40 



2061 

 196 



12366 

 18549 

 2061 



" P. 



121)403956 3338-4(20 318 4 

 363 320 



409 160) J38 

 363 40)120 



465 J8 

 363 



1026 

 968 



580 

 484 



By referring to Table 1, the same result is obtained, 



viz.: A. R . p. y. 



12 acres, Irish, are . . . . 19 1 30 



3 roods, do., are . . . 1 34 4 



21 perches, do., are , . . 34 



20 3 18 4 



