I had to look up methylated spirits.

To change the subject a bit... The origin of the word "alcohol" is
fascinating, among the most-interesting I've ever come across. Would you
believe that it's related to mascara?

http://en.wikipedia.org/wiki/Mascara

http://en.wikipedia.org/wiki/Alcohol

Ethyl alcohol is distilled from water/alcohol solutions, hence it is "the
fine part of" the solution ("fine" as in small, not good).