( ) 
expe£t thty (hoM ) but on the contrary afFefled a 
goodWeather G/afs Co as to make the Liquor delcend,which 
was a ipahifefl- token of Cold. There I found that the 
higher the.^a'^ was, the greater the Ebullition and the 
C^?^/vi'ould be, whkb is very remirkable. . For this very 
Reafon I made ufe oivery ffrong Vinegar ^i^'^^Atgnidi by 
free:!^ng (s^h\c\\ way is taught by the Honourable Mr. 
jBcy/?. to whofe great favo'.s and m^nuduCtion 1 muift a- 
fcribe whatever fervice I [ball be able co do Experimental 
PhiloJ^opby) hyih\smixture\^ nearer the/w^^^- 
ingVoiiM IButfince it proves trcublefoni to prepare this 
Vinegar^ and becaufe it can be done only at certain times^ I 
have moft commonly made the Experiment mih Spirit of 
Venus ^ ox Ferdigreafe^ "^hxch is the higheft Vinegar in the 
\yorld; wich ithis the fo/^ will be moft fenfible tp the 
Touch, and' mo^ft confpicuOus on the Weather Glafs. For 
by this mixture I have in Summer Weather Glafs io^ 
d^^ctnd bdow the Temperament of cold Fountain wa,-», 
ter^ fx Inches at le^tt^ which brought it fo near the;^^^^-^ 
mark that it fcarce wanted half m Inch. Butat ihe> 
ftme lime iheX^^'^orfwel^^^^^^ up more room ^thai^. 
ht^fbre,; ap^ will not be contained \npallowSltSt\%. /lik^^ 
this Experiment we have fbme things very rare, that a 
great and violent motion ci two diffenting Liquors^ fliould 
be fo far from produciog/f^^. as to produce a notable de- 
gree ofCold^ and that too with a confiderable expanfion of 
theur pariiSf He& ipightinftanee in an appofite anda3 unv^ 
e?f{^c^ed an JExperimenty . 'wbet<^ an efTeft contrary to our* 
common obfervarion happens, and that is thiis,;if you mix 
with Oy/ot FitrioU quantity of water, a great heat mil fol- 
low without mi^xpanfzpn of tbt{t^ J^quors^k^^^i^ 
conftatitly; prorfHcekto fli^W, Watered moft fluidapd Cq^^ 
lid bodies* for here;|t;rai;herfhrinks andconden{es,asyoxi 
may fee by mzkin^'thc Experiment ia a Glafs with a long 
Neck, and ftuing your V^r>^ as foqn as you mdk^^oixj^ 
mixture. Both tiitCe hJim^ 
