from The Century Dictionary and Cyclopedia
- n. Metal in pigs, as it is produced from the ore in the first operation of smelting.
Sorry, no etymologies found.
The charge of a puddling furnace, consisting of 500 pounds of pig-metal and eighty pounds of "fix," produces with coal fuel 490 to 500 pounds of iron.
In the neighboring furnace-buildings lay great heaps of the refuse from the ore after the pig-metal is run.