

THE 



Author's Preface. 



)£•§!£+$+£< H E following particulars ferving to 

 ||§J* *L§8 fhevv the advantages accruing from 

 B"8 jHfgp the bufinefs of mining, both to the 

 y&$&9&& public, and to particular perfons^ 

 may not be altogether unacceptable to the rea- 

 der. As, 



i. That the chronicles of Friberg and Mifnia 

 furnifh us with extraordinary accounts of consider- 

 able tenths and profits, confequently of the great 

 advantages arifing from the Mifhian mines, both to 

 the prince and undertakers. In particular, that 

 Henry thellluftrious, marckgrave of Mifnia, had in 

 the 13th century, from the mines of Friberg and 

 Schneeberg alone, procured fo many tons of gold 

 * in filver, as enabled him to purchafe the 



A 4 king- 



* A ton of gold is a method of reckoning rro-iey by; 

 which in a country reckoning by dollars or florins, amounts 

 to 1:0000 dol'ars or florins, oV^ 



