Building and using a Tobacco Pipe Retort

An overview of the theory and function of the retort. The retort is a useful pipe-cleaning device, especially useful for removing stubborn ghosts. the video is a long one with about half being devoted to an overview of the process and parts of the system. The second half shows the retort in action.
If you have a smaller test tube retort, Jim (Furthur73) does it right, and his is the best video I have seen that explains the use of this type of device: https://www.youtube.com/watch?v=t1256ujUQ9Y
Here is a suggested source for parts if you build your own: http://www.sciplus.com/