[_h_] is the most simple of all, nor is it any thing else but Air,
which is breathed out thicker, and more swiftly.
[_g_] or _ch._ is sharper than [_h_] which I teach thus, when I shew
to my Deaf Patients the posture of the _Tongue_ in a Looking-Glass,
and give them to feel the expiring _Breath_; it is so in like manner
with [_s_] and [_f_] insomuch, as nothing is more easie than they, and
which may most easily be learned by the fore-going Description.
I can teach a Deaf Man, (though he were blind) the _Explosive
Consonants_; for if I cause him to feel the _Breath_ discharged upon
him, he would necessarily pronounce one of the three; for I bid him to
look simply on my _Mouth_ and _Tongue_, and then having put his Hand
to my _Mouth_, I pronounce either [_k._] or [_b._] [_p._] or [_d._]
[_t._] and command him to do the like.
(_x._) and (_z._) are pronounced no otherwise than is (_ks._) or
(_gs._) (when (_g_) is an _Explosive Consonant_) and (_ts._) wherefore
I shall add nothing concerning them.
Deaf Persons are to be diligently accustomed to pronounce these
_Semi-vowels_, _n.
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