20 POULTRY LABORATORY GUIDE 



transferring chicks, and the danger from fire ? Is 

 it located on a side hill or on level ground ? 

 Would the former location have any advantage 

 over the latter? Which way does the cellar 

 face, especially with reference to the prevaUing 

 wind direction ? '■ 



Are the incubators located below the level of 

 the ground or above ? What advantage is there 

 in having thfem below the ground level? Are 

 they located in a room or rooms which are a part 

 of some other building, or are they located in a 

 building constructed primarily for that purpose ? 

 What are the advantages of the latter method 

 over the former ? 



Note method of ventilation; usually one 

 of two systems : — 



King system. 



Double sash, with or without curtains. 



Note the presence or absence of the direct rays 

 of the sun shining directly on the incubators. 

 If the sunlight is present, what method is used to 

 darken the cellar? What is the objection to 

 having the sun shining directly on the machine ? 



If the building is below ground, note character 

 of the foundation, whether stone, brick, or cem- 

 ent, also depth below ground. Are the in- 

 cubators entirely below the ground level? 

 1 See frontispiece. 



