t «9 ] 
different Mountains in the fame Direction, facing the 
South-eaft, with an Inclination of the Shelves of 
about 3f Degrees. The Soil here in the Plains is 
clayey. 
Not far from the Frontiers of Saxony , in the 
Mountains, are the famous hot Springs of Carlsbad , 
the Tin-mines of Schlachtenwald, and Mines of 
pyrites, where they prepare Sulphur and Vitriol. As 
I fend you Specimens of the Minerals I met with in 
thefe Places, I fhall give you alfo the beft Account 
I can of what belongs to their Produ&ion. 
Of the hot Springs at Carlsbad. 
C ARLSBAD is a fmall Town, fituated in an 
Hollow between two high Mountains : A fmall 
River called Toeple runs through it from S. E. to 
N. W. The principal Fountain rifes on the North- 
eaft Side, about twenty Paces from the River, and 
about five or fix Feet higher than the Surface of the 
Water. This Spring rifes through afquareTube of 
Wood, whofe Diameter is about feven Inches, with 
a confidcrable Degree of Violence : Whence it is 
ealled the Sproudle, or Furious Fountain* It comes 
from the Mountain on the other Side, and pafles 
underneath the River, where the petrifying Quality 
of its own Water has formed for itfelf an Aque- 
duct of Tophus, through which it is conducted to 
this Place. Sometimes this AqueduCt is fo filled and 
choaked up with the Tophus , that it burfts into the 
River, and puts the Inhabitants to a confiderable 
Expence for repairing it. But to prevent this, they 
bore and clean it every Year near the Fountain. It 
E e 2 * forms 
