(One of the many miscellaneous commodities imported into Newcastle onboard Scottish vessels was 'broken glass'; this may have been resmelted
in the glass works of Tyneside, with the finished manufacture being taken back to Scotland.) Alongside glassware Scots exported other commodities including grindstones, cheese and ale.
Those ingots were probably resmelted
gold from the Belgian and Dutch treasuries.
which was ground out, rewashed, and resmelted
in a labor-intensive, repetitive process.