A Good Storage Cellar 



231 



space between each outer and inner door is large, and the connec- 

 tions well arranged for the exclusion of cold air. It will be 

 seen that Fig. 58 shows the construction of the peak and collar- 

 beam {h) of the house, and also of the ventilator l)» Fig. 

 59 shows the detail of the roof construction. The plate (70 is 

 held firmly to the wall by a tongue (i) let into the brickwork. 

 The rafter is 5. On this is a thickness of sheathing upon either 

 side (a, c), with an air-space at e, and outer sheathing at and 



building paper at d and /. The cost of labor and materials is 

 about $500. An interior view of this house is shown in Fig. 57. 

 It was stocked with celery at the time this picture was made, 

 and in spite of having been harvested early, the plants were far- 

 ing well. 



"I have seen a cheaper and modified form of the above struc- 

 ture, provided with a single air-chamber outside of the rafters and 

 first boarding, with tarred paper covering the final layer of boards. 

 The odor of tar in the house has caused comment; but if the 



