Seo S07: 
eo aces 
Century IT, 
Uggs} Ufick in the Pra@ice, hath been well purfued, and in 
eq) good Varicty-; but in the Theory, and efpecially in 
Sf the yieldingof the Caufes of the Pradtick, very weak- 
and not much truth. We fhall therefore, after our 
manner, joyn the Contemplative and Attive Part 
together. ‘ 
Sounds of Stringed, and Wind-Inftruments, the Ringing of Bells, &c. or 
AImmufical Sounds, which are everunequal: Such asare the Voicein Speak- 
ing, all Whifperings, all Woices of Beafts and Birds: (except they be Sing- 
| Drums) and infinite others. © 
_ The Sounds that produce Tones, are ever from fuch Bodies as are in 
{their Parts and Pores equal; aswell asthe Sounds themfelves are sgt 
| And fuch are thePercuflions of Metal, asin Bells; of Gla/f, asin the fillip- 
| ping of a Drinking Glak; of Air, asin Mens Moices whileft they fing, in Pipes, 
| Whifiles, Organs, Stringed Inftruments, &c. And of Water, asinthe AGghtiz-° 
| gals Pipes of Regals, or Organs, and other Aydraulicks, which the Ancients 
had; and Nero did 1o muchefteem, but are now loft. And if any Manthink, 
that the Strzzg of the Bow, and the String of the Vial, are neither of them 
_} equal Bodies, andyet produce Tones; heisinanerror. For the Sound is 
not created between the Bow or Plectrum, andthe String; but between the 
String and the 4; no morethan it is between the Finger or Quill, and the 
String in other inftruments. So there are (ineffe&) butthree Percufions that 
D ; create 
ly being reduced into certain Myftical fubtilties:, | 
All Sounds are either A4u/ical Soands, which we eall Zones; whereunto | 
there may be an Harmony, which Sounds are ever equal : As Singing; the | 
| ing Birds ;) all Percuffions, of Stones, Wood, Parchment, Skins, (as in | 
10 
49, 
Ex periments 
in Confort 
Lf 
