II Oct., 1909.] 



Silos and Silage. 



667 



The Port Holes. — Port holes are made in every alternate row of 

 iron, the sill of the first being preferably at the top of the first inside 

 hoop. The sills are made of 6-in. x i-in. hardwood, as shown in the 



DETAILS 



iScalc of inches 



Plan at A-A- 



^AOJUiTABU BCARINC 



■ — loi' X ^op Of LiXy/noH n onu up to uoql 



lONOITUOINAL .SECTION upper cm 



DETAILS OF ELEVATOR. 



drawing, fixed to the top of an inside hoop and supix>rted on two short 

 pieces of 4-in. x 2 -in. skew nailed on to outer face of studs. The sides 

 are formed of 4-in. x 2-in. pieces planted on studs, notched for ends 

 of outside hoop and secured with one 4-in. x f-in. bolt. The stops are 



