salt mines of CHESHIRE 
305 
k 
rock-salt, witli very few exceptions, has 
‘*0^ Oti j,*' ascertained to exist only in the vallies bor- 
Plar^ Weaver and its tributaiy streams ; 
tire salt stone is a dark grey mixed witli 
and salt strings of CHESHIRE. 
manifesting its presence by springs impreg- 
■. g. .‘lie 
and in others being known by mures 
into the substance of the salt strata 
Source of the Weaver and Nantwich, many 
^C^ddoZ 
ource 
places ‘li^l*' appearance j and occur again at 
proceeding down the stream. At Moul- , 
nas been sunk into die body of rock-salt, and 
• ® “s Wrought near Middlewich. At Northwich, 
■'tif I'ave^ abundant ; and tliere also many 
\ !^lt. I for the purpose of working out the 
hl'lilt in ‘ 1*“1 vicinity a body of rock salt has been 
‘f MrJf.^rehing for coal. 
‘his district are formed by the penetration 
Passin*'“ ■waters to die upper surface of the rock 
Pa ' ‘hat^ which they acquire such a degree of 
Of' Imndred parts have yielded twenty-sever 
Pi) '' ‘hat* which they acquire such a degree of 
l'"'" 
Ue. 
' Salk . _ _ 
'X'jjg springs me^ with in Hungary, Germany, and 
ptiC'ifine nearly approaching to the perfect satura' 
tljf. . '. -^heir strena-lE ic tliprpfnrr* mnrii crreatei* thai 
le ^‘rength is therefore much greater than 
■fh met with in Hungary, Germany, and 
urine having been pumped out of die pits, 
/ U into \avcrfy rioc/nrtmlrc ' ?mr1 nfrprWflrfl.*; flrawt? 
Mt 
IL'* i' WejT l^i'gc reservoirs, ' and afterwards drawit 
mJ^Pplieu into pans made of wrought iron. Here 
‘c be ® degree determined by the nature of 
|. ^‘.^uufactured, and various additions are, made 
view either to assist the crystalization 
promote the separation of the earthy 
,®Aist in a very small proportion. The 
v'wly oKi-’ *® manufacture of Cheshire salt will be 
Cl‘li r lor 11°*^® ll'um the statement, that, besides die 
consumption, the annual amount of 
^ l^ly to T tons, the average of the quantity 
a IpJ'/’bOo I ■''''®'’poul for exportation, has not been less 
ilj 'uck-salt first worked was discovered by 
near Northwich, about a century and 
