000 00272nam a2200097Ia 4500
008 231207s9999 xx 000 0 und d
082 _a739.14
_bBRO
100 _aBrown, Walter Lee
245 0 _aManual os assaying gold, silver, copper and lead ores
260 _bE. H. Sargent & Co.
999 _c482
_d482