The process of working tin in Cornwall and Devon. The right to stream must not be exercised so as to interfere with the rights of other private individuals; e. g., either by withdrawing or by polluting or choking up the water-courses or waters of others; and the statutes 23 Hem VIII. c. 8, and 27 Hen. VIII. c. 23, Impose a penalty of £20 for the offense. Brown
Source: Black's Law Dictionary 2nd Ed (1910)