68 EGGS AND POULTRY 
On a fully equipped plant this building 
would be heated by hot water, but this sys- 
tem is quite expensive so I arranged to heat 
the cellar with a small stove and the hovers 
with oil lamps. Commercial Hovers could 
be used in places of the ones shown. 
Brooder House, 16x42, half underground. 
During the past year or so another method 
of brooding chicks in large numbers has been 
evolved by which flocks of from three to 
ten hundred can be raised under one brooder. 
These brooders are built after the general 
idea of the commercial hovers shown, only 
they are greatly enlarged and the heat is sup- 
