Show ventilator OUT RAIN device for use in building or cavo may be constructed from joint of stovepipe it Is often desirable to have a build ing or cave well ventilated and still have it so BO that no rain can enter through tho the ventilator such a tenta lator later may be constructed from A joint ot of stovepipe and a can whick la Is at least an inch larger in diameter than the stovepipe it Is to cov coveland coter erand sms several inches inched high A brace made from a piece ot of strap iron should be ba constructed as illustrated in fig I 1 fit 1 1 fits rainproof ventilator and riveted to the sides aides of the pipe says bays the iowa homestead the can is then slipped over this and riveter through its bottom to the brace haw tho the lower edge of 0 the cali can about tow four inches below the upper edge of 0 the stovepipe this should leave a apace of a couple of inches between the tha bottom of the can and the top edge ot V the stovepipe to allow tor for the free circulation of air as shown in fig 2 |