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
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