At 2:11:58 AM on Saturday, June 27, 2009, Patti (Wilson)
wrote:

> Yes Brian truly said - but þ thorn is also th and there
> should be a distinction made

> they are not pronounced the same way - are they ?

Indeed they are not, but Sabin had already made the correct
distinction: <ð> is the *voiced* (inter)dental fricative,
and <þ> is the *voiceless* (inter)dental fricative.

Brian