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and trirfe Body • Andwithafharpeloofe; ForifrlieScringibcc rKit ilrai- 
itK'dj itmaketh no Noife. But where tlie Aire is pent, and rtrai toed, there 
Breath or other Blowings (which carry but a gentle Percuftion) (office 
to create Sound • As in Pipes , and mndlnflrtiment's. But then you 
muft note,that in Recorders, which goe with a gentle Breath, the Cos: cane 
of the Pipe, we re it not for the Fipple, that ftraitneth the Aire (much more 
than the Simple Concaue •) would yeeld no Sound. F or as for other wi»d- 
Infiruments, they require a forcible Breach 5 As Trumpets, Corset f, hun¬ 
ters Hornes, foe. Which appeareth by the blownecheekesof him that 
windeththem. Organs alfo are blownewith aftrongwinde, bytheBel- 
, lowes. And note againe, that fome kinde of mnd-lnflruments , are 
blowne at a ftnall Hole in the fide, which ftraitneth the Breath at the firft 
Entrance 3 The rather in refpeft of their Trauerfe, and Stop aboue the 
Hole., which per for meth the Ftpples Part, As it is leenein flutes, and 
Fifes, which will not giue Sound, byaBlaftat the end, as Recorders, &c. 
doe. Like wile in all whirling, you contrad the Mouthy And to. make 
it more iharpe, Men lometimes vie their F inger. But in Open Hire, if von 
throw a Stone, or a Dart, they giue no Sound : No more doe Bullets, ex¬ 
cept they happen tobeealitde hollowed in the Carting ; Which Hol- 
lownerte penneth the Hire •• Nor yet Arrowec, except they be ruffled in 
their Feathers, which likewife penneth the Am. As for Small ivbiflies, 
or Shepherds Oaten Pipes • they giue a Sound, becaufeof their extreme 
Slendernefle, whereby the Aire is more pent, than in a Wider Pipe. 
Againe, the Voices of Men , and Liuing Creatures, pafle thorow the 
throat, which penneth the Breath. As for the Iewes Harpe, it is a fharpe 
Percuflion j Andbefides, hath the vantage of penning the Aire in the 
Mouth. 
Solide Bodies, if they be very foftly per cuffed, giue no sound $ As when a 
man treadeth very loftly vpon Boards.So Chefls or Dacres in faire weather , 
when they open eafily ,giue no Sound. And Cart-wheeles fqueake not when 
they are liquored. 
The Flame of Tipers, or Candles, though icbe a fwift Motion, and brea- 
keth the Aire, yet parte th without Sound. Aire in Ouvts,though (no doubt) 
it doth (as it were) boyle, and dilate itfelfe, andisrepercuiltd • yet it is 
without Noife. 
Flame per cuffed by Aire, giiieth a Noife » As in Blowing of the Fire by 
Bellowes \ Greater, than if the Bellowes ihould blow vpon the Aire it 
lelfe. And fo likewife Flame perculjing the Aire flrongly, (as when Flame 
fuddenlv taketh, and openeth,) giueth a Noife • S©, Great Flames, whiles 
the one impclleth the other, giue a bellowing Sound . 
There is a Conceit runneth abroad, that there ihould bee a whiter 
Powder, which will difeharge a Peece without Noife, whichisadange- 
rous Experiment, if it fhould bee true: For itmay caulelecret Murthers. 
Butitfeemcthtomee vnpolfible * For, if the Aire pent, bee driuen forth 
and rtrike the Aire open, it will certainely make a Noife. As for the White 
Powder (ifany liich thing bee, that may extinguiili, otekad the Noife,) 
