‘Cemury [ly 
}.. dtis certain, (howfoever.it crofs the received opinion) that Sounds may 
bevcreated without Air, thougi Air be the molt favorable different of 
}Sounds: Take,a Veflel of Water, and knap a pair of Tongs fome depth 
‘Twichinthe Water, and you fhall hear the Sound of the Tongs wells and not 
} much diminithed, and yet thergisno Airatall pcefent. " 
» | «TFakeone Vedel of Silver;and another of Wood, and fill each of them 
‘} fullof water, and then knap.the T ongs together as before, about an handful 
frou the, bottom), and you fhall finde the Sound much more refounding 
} fromthe Vellel of Silver, than fromthatof Wood; andyet if there be no 
)Waterin the Veflel, fo that you knap thie Tongsinthe Air, you hall finde 
| no difference between the Silver, and the Wooden Veflel, whereby befide 
| the main point of creating found without Air, you may colle& twothings ; 
the one, thatthe found communicateth with the bottom of the. Veffel; the 
Jother, that fuch a communication pafleth far better thorow Water than 
Airs: ib bidtt 2 “ i , ’ 
; Strike any hatd Bodies together in the midft of aflame, dnd youfhall 
Thearthe foutid withlitcle difference, from the found in the Air. ; 
‘Phe Pueumatical part, which is in all Tangible Bodies, and hath fome 
affinity with the Air, performethin tome degree, the parts of the Air; as 
when you knock upon anempty Farrel, the found is (in part) created by the 
| Air on the outfide, and (in part) by the Air inthe infide ; forthe found will 
be greater or leffer, as the Barrelis more empty, ormorefull; but yetthe 
| found participateth alfo with the Spiritin the Wood, thorow whieh it pafs- 
| eth from the outlide tothe infide ; and fo it- cometh topafs in the chiming 
} of Bellsonthe outlide, where alfo the found pafleth to:the infide ;, and a. 
number of other like inftances, whercof we thall {peak more when we 
3 handle the Communication of Sounds. thyot ait tats 
|) It were extream grofnefs to think (a3 We have’ partly touched before) 
| that the found in Strings is made, or produced between'the Hand and the 
| String, or the Quill and the String, ot the Bow andthe String: For thofe 
{ are but Vebicula mows. patlages othe Creationof the found, the found being 
produced between the String and the Air, and thatnot by any impulfionot 
the Air, from the fi:ft Motion of the String ; but by the return or refult of 
| the String, which was ftrained by the toveh to his former place ;; which 
Motion of Refult is quick and fharp, whereas the firft Motion is foft and | 
dull: So the Bow tortureth the String continually, andthereby holdeth it 
ina continual T'repidation. | bas jbiod . ant 
Tre | bh UE ah vate 
‘ i " . 
Benen et 
eI 
“ilies. 
| oprAkca Trunk, and let one whiftle at thé one end, andhold your cat at 
_ the otber and you fhall finde the found ftrike fo fharp, as yot.can fcarce 
fendure it. The caufe is; for that found diffufeth ic felfin round, andfo 
| fpendethit felf: But if the found, which would fcatterin opén Ait, bé made 
{togoall into aCunalo; it muftneeds give greater force tothe found. ' And 
| foyou may note, that inclofurcs do not onely preferve found, but alfo en- 
4 ercafe and fharpen it: a ae WA siclov 
‘| ereafethe fourid nyore, than if the Horn were all of an equal bore. The | 
‘| cauleis, forthat the Air and Sound, being firft contraéted at the leffer end, | 
| and afterwards ‘having more room to fpred at the ‘greater end, do dilave | 
; 
‘| themfelves, . and in coming out, ftrike more Air, whereby the found is 
‘| the greater, andbafer: And even Hunters Horns, which are fomevimes | 
ore i eee 
had 
= 
-~ 
« - 
s- 
a 2 oe 
135- 
136; 
137 
138. 
Experiments 
’ 
+ 
/ 
__ made}, 
| 
133. 
134 
in Confort 
touching the 
Magnita2c 
and Exilitys ; 
na Bamps of 
eA y : | 
DOBBS | 
A. Hunteré Horn, being greater at oné efid, than at the other, dothem- | 43» 
