Qenturj III, 
It feemeth, both in Eare, and Eye, the Injtr^ment of senfe hath a 
Sympathy o r Similitude with that which giueth the RefleBion,{ As hath 
oeene luuched before.) For as the Sight of the Eyei s Like a Cryltall,or 
Glade, or Water.; So is the Eart a linuous Caue, with a hard Bone,to 
flop and reuerberate the Sound. : Which is like to the Places that re- 
porc E echo's. 
W Hen a Mian Tameth, he cannot Heart fo well. The Cduft is, for 
that the PAembrane of the Eare is extended; And io rather caft- 
eth olf the Sound, than dtaweth it to. 
We Heart better when we hold our Breathy than contrary* In fo much 
as in all Lilkningto attaine aS0«#dafarreoff, Men hold their Breath. 
The Caufe is,For i hat in ail Expiration , the Motion is Outwards; And 
therefore,rather driuech away the voice, than draweth it;And belides 
wee fee, that in all Labour i o doe things with any ftrength, we hold the 
Breath : And lilteniag after any Sound) that is heard with difficulty,is a 
kintleo? Labour. 
Let it be tried,for the Helpe of the Hearing^ nd I conceiue it likely 
tofuccccd,) to make an Instrument like a Tunnell. The narrow Part 
whereol may be of the BignefTe ofthe Hole of the Eare-, And the Broa¬ 
der End much larger, like a Bell at the Skirts ; And the length halfe a 
foot, or more. And let the narrow end of it be fet dole to the Eare : 
And marke whether any Sound , abroad in the open Aire, will not be 
heard diftin&ly, from further diftance, than without that Inftrument; 
being( as it were ) an Eare-Spectacle. And I hauc heard there is in Spaihe , 
an Instrument in vie to be fet to the Eare s that helpeth fomewhat thofe 
that are Thicke of Hearing. 
If the Mouthbe Chut clofe, neiierthelefTe there is yeelded by the 
Roofe of the Mouth, a Murmur. Such as is vfedby dumbe MenrBut if 
the Nollrilsbe likeWife flopped, no fuch Murmurecan be made; Ex¬ 
cept it be in the Bottome ofthe Pallate towards the Throat. Where¬ 
by it appeareth manifeftly, that a Sound in the Mouth) except fuch as 
afore laid^if the Mouthbe ftopped,pafTeth from the Pallat , thorow the 
Nojirils. 
r He. K ep'ercuffion of Sounds , (which wee call EcchO) ) is a great Ar- 
•giimenr of the Spiritndl Efence of Sounds if it were Corporeall) 
die Repefcufiion fbould be created in the fame manner, and by like ln- 
jlruments , with the Original!, Sound-. But we fee what a Number of Ex- 
quifite fnflnmeats mitt concitvre in Speaking of Words, whereof 
there is no fuch Matterin' the Returning of them» But only a plains 
Stop, an d Repcrcufsion. , 
The Exquifite Differences of Articulate Sounds , carried along in the 
Aired. new that they cannor be Signatures or impressions in the Aire y as 
hath bceue well refuted by the Ancients, tor it is true, that Seales 
makeExcellent Imprcffions ; And fo it may bee thought of Sounds in 
their 
71 - 
282 
Experiment* 
in Conlorr, 
touching the 
Hindering or 
Hc/piag of the- 
Usamg. 
,83 
284 
2 8 5 
Experiments 
jn Con fort, 
touching the 
Spiriluall and 
Fine Nature of 
Ssunds. 
287 
288 
