I l l ;
I 1
J R j lL N A ,ST tJ R A: L H I S T O R Y '
for fofrah|e, or the IiKfejSieY w ilf hot: ’ ccffi^re
nqr reft, by one the ,other without forqe,jbut will nbvf*on e\sj|y*
fide, till they meet \Vith men refinance from external Boditesj or,
thefo internal .grarit&tfop;. as fhall ferthei motion.
The particles, of Water, i,are 'unalterable; tor, pailing into.To
maqy bodies, a^d through ftich Alternate' artremes. of Heat and cola,
if they had not conftantly #.pfeferv’d (then enential properties,
moifturep fince the beginning of the world, Jnnift have Tenfibly'di-
minilhed^ but feeing nb fitch deficiency appears, ana that" fpririgs,
j^insf j§tn^ lifers £as abundant now. as they ahqiently were (as By
theobferyationson the rifing of me Nile for riiany ages, among other
teafons inay-appearf we are to conclude, that though Wafers'may
bf transplanted^ they c^n neither be trammuted nor deltroyra, ana
whelpev^r removed; will mdlfo their appearance Sgain when at liberty,
in the feme liquid Rate as they were in before.
The particles of Water are exceedingly fmall, for they may Be to
divided from each other, as that one fquare inch of‘coifemoh Water
fhall when rarefied, fill '4 ipace Vhich will .contain fquare
inchesfgjj apd.itft computed'diat at leaf! -t particles^fo Vfeter
may be held on the point oF,‘a needle , " by whffcn it Sappers, '^hat
what we call Water is- an .aflemblage o f a great number of. fmajl
{ramparentigfobules, which are cbmpofed .agam ^ a h ^ finiteirfairt-
ber of ftnalfer. partfejesibr atoms of this dem^uary liqiTOr. 'The
ufes anq appucation o f tfieie general’ oDfSvatfoiis wul foon bccun
Pure Water, without any hnxtureof e a r t h f (m t t p | | f ; o f on^
we know not any ip ft’s natural nate, but ft is, in fome^arts pftfer
than in others, hnd beft, where itTs fbunft-TupcienCm qusanttf£
and in greateft degree of purity.
With Water in general few counties are fupplied fo well as Cornwall,
and yet "fewer are the places where Water ft- m ^ precious ';r‘the
moft impure and infedted Wafers being, of great'foe for m il ls , engines,
and cleanfing the ores, and oftentimes rented at ah “exorbitant
price.. I haye, known. twenty pounds V a month given annually for
one .Water-courfe ,to- drive an Engine-wheel, three years following ^
nay I am aiforepthat fifty hounds a month have been'given for the
feme puroofe, . Thefe Water-coiirles are ufilaDy not above the fize
o f an ordinary Mill-ftream.
Vapomiaad * ; part» pf. Wat&.3 Being 'Fo fmall 'anti mdveaBle, ate eafily
their rife, jfepacat^l one from another; and when’ they ate 'fo''divided info
hnaU parcels as to ftepome about Uqo rihies lighter than cdmnioh
Water, they are atTeaft 'as light as the hirfoarid’fvill, By every ‘fuc-
1 Muflchenb. pag. 738, Nicuwerityt’s Exper. Muflchenbr. p. 425.
cefilve
O P C t o R M W A ,L ;L« , 2$
c-effiVe degree of feparation, rife in the air in proportion to their
lightfiifsj the heavier air forcing the rarefied fluid to afcend into the
Atmo'fphe'rfc rill it finds a place where it refts in equilibrium among:
bfiflids of equal lightnefs to itfelf. This reparation or comminution
(if I in ay fo call it) of Water into fmall parcels, may be perfortned
either 'fey collifipn^againft harder‘and more compaft bodies', or by
h e fo^ T h e firftlwe Often fee pelflpkrned at fob boftdfn vof< Cafeades[v
Whdfe thi Water that fells bdt a Few fathoms, fliall /rife fo a toift
frdfn Ihf bottem Where it is broke'?- and therie'kre inftances o f clouds
fifiiig from the fall bf Waters wluehanay be feen fiveimileg Col-
fiflbffwill ^Srgfot'e exeite vapours-^lbut thatwM'ch is more,coiaffeift^ir
ill every part o f :tbe univerie, is Heaty whether
fostri the §U&, Which is al^ayt bufy this .Wayi 'or from ■ artificial,
fgnMoh, ©f ithat gefteraMy invifibfe .elemental fire which is diftributed
all ^natter. It has been by many NafuraKfts iniaginodj that.
beat i^ifes va*pfctof6 ‘by extending the air inclofed fo the. pores of
and feiSniftg gradually a thin film or bubble o f Water of
fitch dteetifiofis that it becomes greatly lighter than the fame Ipace
t>T comifiefi air, &iid therefore rifes^ateve I t : but this ft^jfofition &
hot tCfeaMe j for it is obferved, .'that ifoamstnll, rife M ik e '’ peowifP
8f Sn <air^pUmp, where, though there .«remains .fofoe:for,tidfefe jp
to t©(mitqtefudh a procels. R>may:hefe he added,
^fat mid -ftcMes aad iSfews'^hay sailed'''into'.'stiife 'i^Ltofo&
■ phteto, ^thoflgh theh: parts will not Term 'haftMes';^s;jfosSfe:i;qf
Wtfter'Wfll. As this too ^eiieidly alewed^fippsfirian is.o@tfo
fepported 'Whbn ftriftly exanrined, fb neither is it i at all necefiary
f e ’ Cialifider sa this scafe any rotfier than the Avtfifodity. rif
■ Water, -aftd the infeuating and difperfive quaBties of'jfi®e j both
‘©riderit -ih 'their Offegts. Fire, we fee, feparates more 'orsiefenthe parts
©f a ll bbdifes, whether fluid ot fblid, and raaal^ ^ em iiferfo the ain:
"afeparatiClfi',tterfefore ds all that , needs1 be sfbppofed ; .and/fire does no
zifiibre! to than to all other bodies under its povier : .jtffcpa-
^tesffkSto'fodhTEaadl.qjctrrions, that thehir is more p©jfoemwis,‘thEn
ihe ’ Ream, ^iid 'df coftfeqaence ‘remains nearer /tDafheiistt3i".rby'As
lfop’eriour ‘gravitation, s
’ 'JTife pafts *bf vapour fore- not sail bqnally.sfmall, ibut firiall raoceafd-
1iHg ^to gree ‘Of heat which rarifies them : they will,rife in air,
'<Whdn: rarififed only' tdO rimes;; but they will rife qufekec, «(tbatris,
'Wilh Jpgsftfer' ifofcfe} arid' hfoheft faccordihg ;• fo sail1 |lfo: -anteirmediate
'degfee§U#t8£refe<ftion, fromsSorijio 140®. ' Vapour igreatly heafed
'bedoffiKt-'fb idteflfek ithtttrit will^ove vaft weaghtsf aiay,vdt fappears
-firirn! 'e^eritrtftit, thratj 'Whe'nbifois fufficientlybrarified, i f fexeeeds
• K The' fall • of 'Watersicat Niagara .iin TNortli America, andT that poJt;' Ihe A.riT;er :yelino., in Italy,
Muflchenbr. page 740. . ,
. the