quantity oE Brine it affords. Thus they have a rich Brine ui- 
their chief Pit at MtMe-meh -, which yields a full/^?//r^/J part of 
Sak.j like [he rich Burgundian Springs ^ nientioned in Kirehc* 
r s.Mmhs Suhterranei4>s 5 yet this is fo thrifty of its Brine, that 
the Inhabitants are limited to their proportions outofit, and 
their quantity is fupply'd out of Pitts that afford a weaker Brine. 
Our Pitt at Nmtmch yields but a ffxth^m-^ but then 'tisfd 
plentiful a Spring 5 that, whereas they feldome ^^7/, that is, 
make Salt, in above 6. Houfes at a time, and there are or 
fhould be about 50. Wich-houfes in the Town 5 . this Pitt is 
Judged fufficient to fupply them all : And this advantage would 
accrewover and above^that fuch quick Ufeofthe Pitt extream-- 
ly ftiengthens the Brine , perhaps to a degree little lefs than than 
of Middle-tvichViit i Vot^l have try ed itmyfclf, that a quart 
ofBrine, whenthePitt hath'beendrawnofF^.or 4. daysfiift^ 
tp fupply 5. or 6. Wich-houfes , hath yielded an Ounce and an 
halfe more of Salt, than at another time , wheait hath had a reft 
of a week or thereabout. , But I conclude , that the neareft con- 
jecture, tobe madeofthefttength of this Brine, is, to yield ^;?^ 
pound of S.alt for /^.v pounds of prine-, aslhavefeverall times 
tryed without any operation that might obfcure the working 
Byvvhich proportion you fee, that fix tuns of Brine yield ene\. 
tun of Salt : which may be built upon though in their ordrnary 
way of working they make fuch variety of Additions , that -t is 
impofTibleforany tobe confident of the ProducS; 
To adde foire particulars) concerning this point Tfliall telt 
you, thati^4r^^8. 1668. 1 weighed na?^? pounds of diftilled wa- 
ter in a narrow- mouthed Glafs-bottle, that I might make an ex< 
adl marke for a qua- 1. This Bottle, being fijl'd with our Brine 
to the very fame mark, weighed (befides the tare of the Bot- 
tle pounds /fc^^ ounces and ^'z;^ drachmes. This was takea-'i 
up, when the VVich-houfes but began to work, fochntthe 
Pitt was but lictle drawn. 1 fiU'd up the Bottle with the fame- 
Brine, . and it weighed juft three drachms more. This Brine ^ 
boyled away without any addition or clarification mzde ft^t^e 
ounces and ttvs drachmes of Salt. Five days at r»er, when the Fitt \ 
had been drawn all that while for the workingof the Wich-hoo- 
ftSj vid^ j/^r^-^; 1 3^the fame Bouk;> fiird totheC^art-mark- 
