Air and the school house,

Woodbridge, S. Homer 1848-

Air and the school house, by Prof. S.H. Woodbridge ... - Boston, Mass., A.D. Maclachlan [190-?] - 32 p. 26 cm.



e 09000933


School buildings--Heating and ventilation--Control.
School buildings--Heating and ventilation.
School hygiene.

LB3407 / .W7

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