I called their attention also to the absence of all means of ventilating the hall, remarking that, as we had already breathed the air which it contained for a full hour, it must have lost much of its vital properties and needed to be renewed.
-- George Combe
   
George Combe   Name:
George Combe
Type:
Educator
Nationality:
American
Birth:
October 21, 1788
Death:
August 14, 1858
https://www.nutquote.com/quote/George_Combe