168 | sie Natural Hiftory ; lata. 
the voice twelve orthirteentimes. If you ftand by the clofe cnd-wall ove; 
againftthe Door, the Echo fadeth and dieth by little and little, as the Ech 
at Pont-Charenton doth, and the voice found: th as if itcame from above the 
Door ; and if youftand atthe lower end, oron citherfide of the Door, the 
Fcho holdeths butif you ftand in the Doot,orin the midft juit over a iinft 
the Door, not. Note, that all Echoes found betteragainft old Walls ther 
new, becaufe they are more dry andhollow. on 
| 
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795. ae effects which are wrought by thepercuflion of the Senfe, and by 
Solicaniebou things in Fact, areproduced likewife in fome degree by the Imagin a. 
touching the | tion : Therefore if a manfee another eat fouroracide things, which fetthe | 
force of rmags- | Teeth on edge, this obje@ tainteth the Imagination ; fo that he that feeth 
nation, Imi- 
sating that of | the thing done by another, hath his own Teeth alfo fet on edge. Soif aman] 
sheSenfee | fee another turn {wiftlyand long, or if helook upon Wheels thatturn, him- 
felf waxeth Turn-fick. So if aman beuponahigh place, without Rails, ou 
good hold, except hebe ufed to it, he is readyto fall; for imagining a fall, | 
it putteth his {pirits into the very ation of a fall. Somany upon the fecing | 
of others Bleed, or Strangled, or Tortured, themfelvesare ready to faint, | 
as if they bled, or were in ftrife. , . ce 
796. Ake a Stock:Gilliflower, andtie it gently upon ftick, and put them both. 
Experiment both into a Stoop-glafs full of Quick-filver , fo that the Flower be | 
Sol? | covered; then laya little weight upon the top of the Glafs, that may keep 
Prefevvation | the ftickdown; and look uponthem after four or five days, and you fhall | 
f Bodies | Gnde the Flower frefh, and the Stalk harder and lefs flexible then itwas.| 
If youcomparc it with another Flower, gathered at thefame time; it will} 
be themore manifeft. Thisfheweth, that Bodies do preferve excellently in | 
Quickefilver ; and not preferve onely, but by thecoldnefs of the Quyick-filver | 
indurate. For the frefhnefs of the Flower may bemeerly Confervation, | 
4 (whichis the more ta be obferved,becaufe the Quick-filver prefleth the Flower) | 
but the ftifnefs of the Stalk cannot be without Induration from the cold. gas} 
it feemeth) of the Quick filver. 7 a 
aah r Ae ag 
7970 | ys is reported by fome of the Ancients, Thatin Cyprusthereis akinde of] 
Bate ‘Tron, that being cut into little pieces, and put into the ground, if itbe well} 
touching the | watered, will encreafeinto greater pieces. Thisis certain, and known of old, | 
ago |'that, Lead will multiply and encreafe ; as hath been feen in old Statues of} 
if nacnaii Stone, which have been put in Cellars, the Feet of them being bound with | 
8 | Leaden bands ; where (after atime) there appeared, that the Lead did fwell, | 
infomuch,as it hanged upon the Stonelike Warts. f On 2s ki 
798. I Callthat drowning of Metals, when the bafer’ Metal is fo incorporate | 
Slay 4 withthe morerich, as it can by no meansbe feparated again; whichis a 
kinde of Verfion, though falfe ; as if Silver fhould be infeparably inco 
rated with Gold, or Copper and Lead with Silver. The Auciens Eledrum 
in it a fifth of Silver tothe Gold, and made a Compound Metal, as fit f 
.|moft ules as Gold, and mote refplendent, and more qualified in 
other properties; butthen that. was eafily feparated. ‘This to do privi 
orto make the Compound pafs for the rich Metal fimple, is an adulteratic 
or counterfeiting ; but if it be done avowedly and without difguifixig 
-may, bea great faving of the richer Metal. 1 remember tohavehe; 
a man: skilful in Metals, that a fifteenth part of Silver incorporate wi 
a ¢ 1 t 
4 ¢ A rn ee 
eo memes marge ee a meen tee rai 
‘ _ 
