Minnesota Department of Education. creator text mnu St. Paul? 1908] 1908 monographic eng

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19 p. incl. plans, diagrs. 22 cm. 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. Department of public instruction, state of Minnesota. Heating Ventilation LB3241 .M62 e 09000670 DLC 970206 20260227111150.0 e 09000670