Date of Award


Document Type


Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.


Thesis, Colloid Chemistry, Devlopement


At first, it was a blur, that had shrouded a great mystery for ages and ages, until some seventy odd years ago. Then came Thomas Graham, who could not satisfy himself with merely viewing a blur as a blur. Being a scientist, he applied his mind experimentally, with the keen precision of any of the eminent astronomers using a telescope, and viewed more clearly this mist which hovered above the horizon . But maybe it was not due time fir the unfolding of the great secret, for Graham's focus only revealed a more complicated mist that had been seen before. It was clearer, it is true, however it was more mystifying



To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.