Discover and read the best of Twitter Threads about #crossventilation
Most recents (1)
‘the space coloured red represents pure air under the most favourable circumstances of strong wind.. the blue indicates impure atmosphere’ (1854)
..#crossventilation keeps the air moving, so that stale air & viral particles are diluted & removed
..#crossventilation keeps the air moving, so that stale air & viral particles are diluted & removed
Upper: ‘the state of the atmosphere in a non-ventilated church, the windows & doors being closed & lamps lighted’
Lower: ‘the tower or spire is made to act as well for the introduction of fresh air as for removal of impure air, & for both purposes it affords superior facilities’
Lower: ‘the tower or spire is made to act as well for the introduction of fresh air as for removal of impure air, & for both purposes it affords superior facilities’
‘a sectional view of one of the largest & most modern of ‘Ward Schools’ in New York which will convey some idea of the child-packing followed in some of them.. originally intended for 1,000 into which 1,400 are suffered to be crammed without an attempt at systemic ventilation...
