| 1786 | out of | 1372 | children there died | 51 |
| 1787 | „ | 1375 | „ „ | 59 |
| 1788 | „ | 1496 | „ „ | 55 |
| 4243 | 165 |
So that, since ventilation has been properly effected, out of 4243 children there died 165; whereas the average number of deaths from the same numbers, previously to ventilation, was 1632!
“And all proclaim Omnipotence Divine.
*****
We view his kind, his life-preserving care,
In all the wondrous properties of Air.
Were once the energy of air denied,
The heart would cease to pour its purple tide;
The purple tide forget its wonted play,
Nor back again pursue its curious way;