~? ae 
« a 
Naural Hiftory 
Forge, and a Stick bathed in hot Afhes, which thereby becometh more 
Flexible. Moreover, there are fome Bodies which do Lignefie or diflolve 
Fires as Metals, Wax, oc. -and othér Bodies which diflolye in Water; 2 
Salt, Sugar, @c, Thecaufe ef the former procecdeth fromthe Dilatation.a 
| the Spirits by Heat: The caufe of thelatter proceedcth from the opening 
of the Tangible Parts, which defireto receive the Liquor. Again, there are 
| fome Bodies that diflolve with both; as Gum, &«. And thofe be fuch Bo lie 
as onthe one fide have good ftore of Spirit, and on the other fide have the] 
Tangible parts indigent of Moifture; forthe former helpethto thé dilating 
of the Spirits by the Fire, and the latter ftimulateth the parts to receive the} 
Liquor. 61 | 1% o) 
i 
. 
oy 
S4r. F Bodies fome are Fragile, and fome are Tough and not Fragile; and 
Eaperineas O in the breaking; fomeé Fragile Bodies break but wheretheforceis, fome 
Olitaly >» 
me chive the Pilamerants flie inmany pieces. Of Fragility, the caufe is an impotency ta 
‘Bodies Fragile} be extended ; andthereforeStoneis more Fragile then Metal; and fo FiGile 
and Togs | Farthis more Fragile then Crude Earth, and Dry Wood then Green. And| 
| the caufe of thisunaptnefs to Extention, is the {mall quantity of Spirits (for it} 
is the Spirit that furthereth the Extenfion or Dilatationof Bodies ;) and it! 
isever concomitant with Porofity, and with Drinefs in the Tangible parts. | 
Contrariwife; Tough Bodies have more Spirits , and fewer Pores, and} 
Moifter Tangible parts :. Therefore we fee, that Parchment or Lea-} 
ther will ftretch , Paper will not; Woollen-Cloth will renter, Linnen | 
{carcely. .. mist’ d VE | 2) 
E 842. em folid Bodies confift of Parts ot two. feveral Natures ; Prenmaticals | 
Sait A and Zangible: And it is well to be noted, that the Pnewmatical Sub(tancé | 
is in fome Bodies, the Native Spirit of the Body; and in fome other, | 
plain Air that is gotten in; as in Bodies deficcate, by Heat, or Age: For] 
in them, ‘when the Native Spirit geeth forth, and the Moifture with it, the 
Air. .with time gettéethintothe Pores. And thofe Bodies are ever the more} 
Fragile ; for the Native Spirit is more Yielding and Extenfive (efpecial-, 
‘ly.to.follow the Parts) than Air, The Native Spirits alfo admit great 
diverfity ;..as Hot,,Cold, Adive, Dull, &c.... Whence proceed moft of 
the Vertues, and,Qualities (as wecall them) of Bodies : Butthe Air in-| 
| termixt, is;without Vertues,, and maketh things infipid, and without any, 
-extimulation, ©. ey Ta A ‘rs a 
i@ 
i 
4 Pneumaticals 
din Bodies. 
6S 
eatithimeteede a. aoe 
843 | - Ele Goncrerion of Bodies is (commonly) folved by the contrary ;. as Ice, | 
essa “[P whichis congealed by Cold, is diflolved by Heat; Salt and Sugar, | 
olitary, | 
touebligt | Whichiaresexcotted by Heat, are diflolved by Gold and Moifture. The | 
Concretion dria) Caufeds,; for chatthefe operations arerather returns to their formet Nature; | 
Po satel ‘than alterations; fothatthe contrary cureth. As for Oy], it doth neith 
jf coer wis fleadily congeal with Cold, nor thicken with Heat: The caufe of both Eff 
» | though they. be produced by contrary efficients,feemeth to be the fame ; 
thatis,, becaufe the Spirit of the Oyl, by eiehér means, exhalethlittle: E 
‘the Coldkeepeth it,iny; and the Heat; (except it be vehement) doth not 
| it forth. As for Cold, though it take hold of the Tangible bathed as to 
‘Spirits, it-dothirather-make themfwell, than congeal them : As when 
is congealedina Cup. theilee will (well inftead of contracting, and fe 
dimes siftesibod lod: io usr mayors Ry yi “| eae 
| OEP OL ROaP er 
CRG We 
a 
5 di ae 
