378 Plans of Lemon House. 
“Star” ventilators E five feet above the outer roof. The cir- 
culation of the air is regulated by slides. Each of the rooms is 
connected with the front and back halls by sliding doors J, seven 
feet wide by eight feet high, and the hall with the outside by 
folding doors of the same dimensions directly opposite those of 
the rooms. These doors are large enough to permit an orchard 
truck to drive into the rooms to unload the fruit. The rooms 
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Sectional and Ground Plan of Lemon House. 
are also connected with each other and the end rooms with the 
end halls by sliding doors. Thus by opening all the doors 
there will be a free circulation of air through the whole build- 
ing. ‘Trap-doors in the ceiling of the hallway allow the warm 
air to rise into the loft and escape. The house has no windows, 
as complete darkness seems to be necessary for the best results. 
The floor is of clav. The capacity of the house is about 6,000 
picking boxes or twelve car-loads. Experience has shown that 
