Greenhouse Construction. 



will make them water-tight at the joints, if they have 

 been well leaded before putting together, and it 

 does not matter whether the joints come directly over 

 a post or not, as the iron tenons will prevent all warp- 

 ing. See Fig. 2. To form a gutter in this way, Avhere 

 houses do not join each other, take t^yo by six-inch 

 plank, size them, and after having painted the edges 

 to be joined with good thick paint, bolt them on the 



E 



3 



Pig. 4. 



lower edge with four-inch lag screws. See Fig. 3. These 

 pieces can be butted together and the joint secured as 

 described in Fig. 2. 



The other form where houses join, is to give the top of 



