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Opticks 1717 - Up

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[ 353 -j .<br />

letit I-M, doe$ IlOt this COlltirtlJ the AttmSoii<br />

between them ?<br />

When Spirit of Vitriol poured upo~-i comg<br />

IXm f+ilt or Salt-petre ixakei iin Elxdiicio~ wi&<br />

i-he salt and. unites with ir, and in I)iffillation<br />

the Spirit Of the common Salt car $alt-petre<br />

COlmS over lnucl> eaiier than it wa$d do bcf&-e<br />

3 md the acid paft of the Spirit of $‘itriol<br />

iia~~s Mind ; does not this argue that the fix'd<br />

Alcaly of the Salt attrak thF slcid StTirit of the<br />

liitriol, mm firongly than its own kpirir, and<br />

ilot being abie to hold tkcm both+ lets gd itg<br />

own ? And when Oil of Vitriol is draw-i o!$<br />

fnhn~ its weight of Nitre;’ and froni both t-he<br />

Ingredients a compound Spirit of Nitre is diitila<br />

led,. and two parts of this Spirit are pollred on<br />

one part of Oil of Cloves or Caraway Seeds7 or of<br />

tiny ponderous Oil of vegetable or animal Subit:~~cs,<br />

or Oil’ of Turpetitine thicken‘d with ;8.<br />

little Bal@m of Sulphur, and the Liquors grow f‘~<br />

tery hot in mixing, as prefently to fend up 3 burningF1anie<br />

I Do‘es not this very great and jitdden<br />

Heal: argue that the two Liquors .mix with vio-<br />

’ kncej a11d that their Parts in mixing riul toi<br />

I wards one another with an accelerated, ii$dotio%<br />

;nlld cl& with the greiteli Force? And, is it<br />

ilot for t,he ffime reafcm that Wel re&itied Spk<br />

j-it of‘ ql ille pou~~ci on the fame COlll~OUllCl Spb<br />

Tit f-l&es; and that ~heTg,~~i~.~~Irn'i~~J~~~i CQlW<br />

pofed of Sulphur , Nitye, and Salt of Tartar,<br />

goes off \vith ;p more fudden and vlokn! I?+<br />

pl&(-~ll th& &&powder ,.. the ticid Spirits Qi<br />

Ihe Sulphur and Nicre ruihfng towards one another9<br />

alld to~wxk the Salt of Tartaxi with fo<br />

“fk31 great

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