56 POULTRY FOR PROFIT 
from this previous type of house. It was called 
the open front house, and gave surprisingly 
good results, where all previous types had 
failed, as regards egg production. This house 
was constructed briefly as follows: It was of 
the shed roof type; that is, had just one slant 
in the roof, the highest pitch being in front, 
and the lowest pitch in the rear. It had plenty 
of window light in the front side, about half 
of the south side, or front, being devoted to 
windows. The rest of the front was left open, 
save for a • thin muslin curtain to cover the 
open space during bad weather. These cur¬ 
tains were tacked to wooden frames, and swung 
on hinges, so that they could be swung in to 
cover the open space at will. The most re¬ 
markable thing about the system was that the 
hens began to lay eggs, when proper feeding 
was obtained. Later, this led to the conclusion, 
now generally accepted, that the birds can 
stand considerable cold, providing it is not a 
damp cold, and that the temperature of the 
house is considerably more uniform between 
night and day than was the case with the glass 
house. 
As a result many poultrymen who are mak- 
