II. Century. 
4 Vsick in the 'Praflice, hath beene Experiments 
well purified ; N A ud in good Varicty; m- 
But in the Theory ,and cfpecially in the ^ 
Te elding of the Caufes of the PraBique, 
very weakly-, Being reduced into cer- 
taine Myfticall Subtilcks, of no vie, 
and notmuch Truth. Wee (hail there¬ 
fore after our manner, ioyne cbejj 
Contcmplatiu ahd Jfc Part-* 
together. 
kllSottndSj are either Mu [wall Sounds, which Wecall Tones • Where- 
unto there may be an Harmony ■ which Sounds are euer Equal!, • As Sing¬ 
ing, the Sounds ofstringed * and wind-In ft fitments, the Ringing ofEels, ike. 
Or Immnfica’l Sounds • which are euer P'neqtsall • Such as aretherwe/^ 
Speakings all whiffeAngs, all Voices of Be aft sand Birds, /except they bee 
Singing Birds ; ) al! Peraiffions, of Stones, wood a Parchment, skins , (as in 
Drrms • J <ind infinite others. 
The Siwx&that produce Tom, are euer fromfuch Bodies, as are in 
their Parts and Pores Eqnall • As well as the Sounds themfelues are £- 
quail *, And filch as are the Percnjfidn r of Met tall, as in Bels • Of Glaffe, as in 
the Fillipping of a Drinking Glaffe . Of as in voices while ft they 
Sing, in Pipes, Wbiftles, Organs, Stringed inftruments, &c. And of Water: 
! as in the Nightingale-pipes of Regalls, or Organs, and other Hydraulickes \ 
! D i which 
lol 
102 
