01115cam a22002057a 4500001001300000003000400013005001700017008004100034010001700075040001300092050001700105110004100122245011700163260002200280300003900302490002100341505051700362650001300879650001700892e  09000670 DLC20260227111150.0970206s1908    mnuae         000 0 eng    ae  09000670   aDLCcDLC00aLB3241b.M622 aMinnesota.bDepartment of Education.10aHeating and ventilation of small school houses. May 1908.cDepartment of public instruction, state of Minnesota.  a[St. Paul?c1908]  a19 p. incl. plans, diagrs.c22 cm.0 aBulletinvno. 150 aHeating 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. 0aHeating. 0aVentilation.