i modification of Gay Lussac's assay process by the assay personally, after which, according to his directions as written on each assay paper, the metal is either poured at once into bars or the proportion of copper or silver added to it if it has been found to be higher or lower than standard.
If any error in weighing the silver or the copper or in calculating the alloy has occurred it is detected at this stage and rectified.
Until each crucible of metal has been assayed and the directions of the assay as written upon each assay paper by him have been carried out, no metal is under any pretence allowed to be poured into bars.
Every quantity of silver intended for coinage, whether that silver is in the form of trading ingots, scissel, blanks, defective coins, Dollars, Mexican or American Dollars, or in any other form, is always assayed as above. Under no circumstances whatever is any metal poured into coinage bars without this assay.
After the Yen bars have been cast, they are delivered to the Rolling Department where they are rolled and the Yen dies or "blanks" cut out.
The blanks are then weighed, adjusted, compressed, annealed, and coined.
Whilst they are being coined from...
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