EXPLANATORY NOTES TO PLANS 



Plan No. 1. — This is the end elevation of a 

 house 18 ft. wide, of any length. 



From bottom course of bricks to plate, 5 ft. 

 From ground to apex, 10 ft. Door, 7 ft. by 3 ft., 

 with one upright bar above panel for glass. 



On p. 6 reference is made to the lever as 

 being the best ventilating gear. No section of 

 lever is shown in plans of house, for obvious 

 reasons. Many horticultural builders have their 

 own patent levers, and would prefer to use them. 

 Under these circumstances, the form of lever 

 had better remain an open question. 



Plan No. 2. — This is a section of house show- 

 ing the columns, which are 2 ins. in diameter ; also 

 the cross tie-irons, f in. in diameter. 2-in. T iron 

 to run in centre of roof the whole length of house 

 on each side. Columns will fit into T iron. 



Plan No. 3. — This is a ground plan of house 

 50 ft. long, 18 ft. wide, showing 9 -in. brickwork, 

 door-posts, door, and position of columns. 



Plan No. 4. — This is the side elevation, facing 



