~ Comlieg, EELS 
_ jhear becter, ifhe ftand afide the Body repercuffing, than if he ftand where 
he fpeaketh,..or any where ina right Line between) may betried; Tryal like- 
: | wife would be made, by ftanding nearer the place of repercuffing, than he 
Gi thatfpeaketh; and again, by ftanding further off, than.he that fpcaketh, and 
} fo knowledge would be taken, whether Eccho’s, as well as Original Sounds, 
| be notftrongeft near hand. a is oiiney | 
|... There bemany places, where you fhall hear a number. of Eccho’s one 
| afteranother; anditis, whenthere is vaciety of Hits or Woods, fome nearer, 
| fome further off : Sothat che return from the further, being lat created, will 
| be likewife laft heard. ; 1 an , ser | 
3 As the Voice goeth round, as well towards the back, as towards the 
7 
| Back-eccho’s to the place where you ftand. 
|}... To make an Eccho that will report three; or four, or five. words 
| dinftinGly, it is requifite, that the Body repercuffing-be agood diftance 
| off: For if it be near, and yet not fo/near, as to. make a Concurrent 
| Eccho, it choppeth with you upon:the fudden, It is requifice likewife, 
| eth the Game effe& with Airc at large,» ina {mall diftance. And there- 
fore in the Tryal of Speaking in the Well, though the Well was deep, 
the Vcice came back fuddenly, and would bear the report but of two 
| words. Rds i Snohs Tere ' 
From Eccho’s upon Eccho’s, there is a rare inftance thereof ina 
| place, which I will now exa@ly defcribe.. [tis fome Three or four 
Miles from Paris, near a Town-called Pont-Crrentos ; and fome Birds 
- | bolt fhot or more front the River of Seax. Tne Raom is a Chappel, 
or fmall Church; the Walls ail ftanding,'both at the fides, and at the 
| ends ; two rows of Pillars afrer rhe manner of Ifles of Churches, alfo 
| ftanding ; the Roof all open, not fo much as any Embowment near 
| any of the Walls left. There was againit every. Pillar, a ftack of Bil» 
lets above a Mans height, which the Watermen,’ that bring Wood 
down the Sean, in Stacks, and notin Boats, laid’ there (as it feemeth ) 
for their eafe, Speaking at the one end, I did heat it return the Voice 
_ | Thirteen feveral times; and I have heard of others, that it would re- 
| turn Sixteen times; for I was there about three of the Clock in the After- 
{noon ; and it is beft, (as ail other Eccho’s are) in the Evening. Ic is 
| manifeft, that it is not Eccho’s from feveral places, but a toffing of the | 
| Voice, as a Ball too and fro; like to Reflexions in Looking-Glaffes; where | 
if you place one Glafs before, and another bebinde, you thall fee the Glafs 
laft die: For it is every return weaker, and more fhady. In like manner, 
{Super-Reflexions ; for it meiteth by degrees, and every Reflexion is 
haps) fome tarce times teport you the whole three wards; and then the, 
two latrer words for fometimes, and then the lak word alone for fome- 
{times , ftill fading and growing weaker. And whereas in Eccho’s of 
"pone returt, it is much to hear Four or five words. In this Eccho of 
. 7 many Ketutns, upon the matter, you hear above Twenty words for 
three. 
Is ther there be any {uch refilience in Eccho’s (that is, Whethet a Men fhall 
is front of him that{peaketh; folikewife doththe Eccho,, for you have many | 
; | behinde with the Image, within the Glafs before ; and again, the Glafs | 
| before in thar: And divers. fuch Super-Reflexions, tillthe Species fpeciet at | 
{the Voice in that Chappel, createth S‘peciem jpeciei, and maketh {ucceeding || 
| weaker than the former: So chat, if youfpeak three words, it will (per- | 
: The}. 
$7 
. 246. 
247. 
| that the Ait be not much pent: For Air, at great_diftance, pent, work- |. -. 
