TY  - BOOK
AU  - Mitchel, John,
TI  - Manual of practical assaying: intended for the use of metallurgists, captains of mines, and assayers in general, with copions tables for the purpose of ascertaining in assays of gold and silver, the precise amount, in counces, panny weights, and grains, of noble metal, contained in one tan of one fr
AV  - TN550 M57 1854
PY  - 1854///
CY  - London
PB  - H. Bailliere
KW  - Ensayos
ER  -