Statistics for occurrence #1 of “Pattinson” in chapter 12, entry liquation of Knight's Mechanical Encyclopedia:
...es are heated to such a degree on an inclined hearth as to cause the alloy of lead and silver to run off, and allow the copper to remain.
The lead and silver may be separated by cupellation or by Pattinson 's process, in which the alloy is allowed to cool slowly and the crystals removed as they form, leaving the alloy relatively richer in silver.
By a repetition of the process an alloy of great richne...
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| † | H. L. Pattinson | 19 | 19 | 1 | 1 | 0 user votes | |
† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.