Of OXFO%p^SHl%E. 281 
the uncommon manures. And the fine flower thus wafhed from the 
Iran-t is let ftand again in its own water for about a week, then be- 
ing all fetled at the bottom, it is ftirred up again and frefli Pump 
»'df?er added, and ftrained from its fmalleft bran through a Lawn 
fieve\ which done, they permit it to fettle again, which it does 
in one day, and then they draw off the water from it all to a fmall 
matter ; then Handing two days more, it at laft becomes fo fixt, 
that with a burchen 3roo;7z they fweep the water left at the top, 
(which is a (limy kind of matter) up and down upon it to cleanfe 
it from filth, and then pouring it off, they wafh its furface yet 
cleaner, by dailiing upon it a bucket of fair Tump water, 
178. Which done, they then cut it out of the tuhs in great 
pieces with (liarp trowels-, and box it up in troughs^ having holes 
in the bottom to drain the water horn it, always puting wet cloths 
between the wood and it, for the more commodious taking it out 
of the troughs again to dry, which they do within a day ; laying 
it firfl on cold bricks for about two days^ which fuck away a great 
deal of -moisiure from it, and after over a Bakers oven four or five 
days together, which will dry it fufficiently, if intended only to 
be ground to powder fox hair^zs it is chiefly here ; but if intended 
to be fold as flarch^ they then ufe a ftove to give it the ftarch- graln-^ 
which the oven will not do. 
179. From the inferior^ I proceed to the fuperior Arts and Sci- 
ences^ and others inftrumental to them, for in thefe too, there 
have been many Inventions and Improvements made in this Vniver- 
fitji. In enumeration whereof, if we begin fo low as the very 
Elements of Speech, weftiall find that the Reverend and Learned 
Dr, Walli^^ Savilian Profeffbr of Geometrji here, firft obferved and 
difcovered the Phyfical or Mechanical formation of all founds in 
Speech, as plainly appears from his Treatife^/i? Zo^we/^j, prefix'd 
to his Grammar for the Englifi Tongue , firft publidi'd in the 
"Year 1653. ''^ 
I Sc. In purfuance whereof, he 2X^0 found out a way whereby 
he hath taught dumb perfons (who were therefore dumb becaufe 
j deaf^ not only to under ftand what they read^ and by writing to 
j exprefs their minds, but alfo to /^^^^ and read intelligibly, ac* 
' cording to diredions for the artificial pofition and motion of the 
Organs of Speech, and thereby alfo affifted others who have fpoken 
very imperfedly. Gf which no more, there being a particular 
N n account 
