A Dairy Farm Building. 56S 



returns from tlie cows represent from five to eight shillings per load 

 from this manuie. 



5. By the method described above, tlie building can be gradually 

 extended to any length. The difficulty of bieakii.g joints on alternate 

 principals is met in the case of the purlins, by allowing i:alf of tiieir 

 number to project eight feet beyond the end of the building until the 

 extension is made. ]n the case of the side wall plates, an eight feet 

 length is bolted betw^een the last two princi[>als on each side. When 

 tlie extension is begun, this may be taken off and the Icj feet length 

 substituted for it. 



