Xanthippe - 26-1-2012 at 11:24
This is the last of three historical articles that I thought would be of interest.
If there are too many mosquitoes at the company picnic, you'll know what to do.
![Chemical-Smokes1.jpg - 484kB](https://www.sciencemadness.org/whisper/files.php?pid=234498&aid=17324)
![Chemical-Smokes2.jpg - 487kB](https://www.sciencemadness.org/whisper/files.php?pid=234498&aid=17326)
![Chemical-Smokes3.jpg - 257kB](https://www.sciencemadness.org/whisper/files.php?pid=234498&aid=17328)
quicksilver - 26-1-2012 at 14:57
Good stuff. Dispersion of particulate is a whole subject unto itself.