4-9 



NATUR ALL 



HISTORY. 



1 1 1, Century* 



LL Sounds (whatfoever) move Round 5 That is to fay*, 

 On all Sides Upwards ^ Downwards ; Forwards ; and 

 Backwards. This appeareth in all Inftances. 



Sounds do not require to be conveyed to the Senfe, 

 in a Right Line, as Fifibles do, but may be Arched 3 

 Though it be true, they move ftrongeft in a 

 Line ; Which neverthelefs is not caufed by the Right- 

 neftot the Line, but by the Shortnefs of the diftance ; Lima recta brevifjima. 

 And therefore we fee, if a Wall be between, and you fpeak on the one Side, 

 you hear it on the other ^ Which is not becaufe the Sound Pafleth thorow 

 the Wall • but Archeth over the Wall. 



If the Sound be St of fed and Repercuffed^ it cometh about on the other 

 Side, in an oblique Line. So, if in a Coach, one fide of the Boot be down, 

 and the other up ; And a Begger beg on the Clofe Side ; you would think 

 that he were on the Open Side. So likewife, if a Bell or Clock^ be (for Ex- 

 ample) on the North fide of a Chamber 5 And the Window of that Cham- 

 ber be upon the South 5 He tnat is in the Chamber will think the Sound 

 came from the South. 



Sounds, though they fpread round, (fo that there is an Orbe^ or Spherical! 

 AreaotxheSoitnd'j) yet they move ftrongeft, and go furtheft in the Fore- 

 Lines, from the firft Locall Impulfion of the Air. And therefore in Preaeh- 

 ing, you mall hear the Preachers Voice, better, before the Pulpit, than be- 

 hind it,or on the Sides, though it ftand open. So a Harquebu^or Ordinance , 

 will be further heard, forwards, from the Mouth of the Peece, than back- 

 wards, or on the Sides. 



It may be doubted, that Sounds do move better Down-wards, than Up- 

 wards. Pulpits are placed high above the people. And when the Ancient 

 Generals fpake to their Armies, they had ever a Mount of Turfecaftup, 

 whereupon they ftood : But this may be imputed to the Stops and Obfta- 

 cles,which the voice meeteth with, when one fpeaketh upon the levelh But 



F there 



