Heating and ventilation of small school houses. May 1908. 
Department of public instruction, state of Minnesota. 
 - [St. Paul?  1908] 
 - 19 p. incl. plans, diagrs.  22 cm. 
 - Bulletin  no. 15 .
<br/><br/>Heating and ventilation of small school houses [by J.W. Olsen]--How to install a heating and ventilation system in a one-room building by means of a stove.--How to install a heating and ventilation system in a one-room building by means of a furnace.--Plan of heating and ventilation system in a one-room school house designed by Joseph A. Moore.--How to make anemometer tests, by J.A. Moore.--Suggested form of report on heating and ventilation.--Desirable conditions.--List of books on heating and ventilation. 
<br/><br/><label>LCCN: </label>e  09000670  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating.<br/>Ventilation.
<br/><br/><label>LC Class. No.: </label>LB3241  / .M62