Sean sent us this link that describes how to extract essentials oils by steam distillation. Looks like an interesting project to try out. [Thanks Sean]
This is a cool trick for improvising a condenser when you don’t have access to proper equipment. It could be used for simple distillation (say, to purify water), or, in the slightly more elaborate set-up pictured here, steam distillation (say, to extract essential oils from plants).
More about DIY steam distillation