I think Sweet Iron is a regional dialect kind of thing.Never heard it outside of the South along rivers and such.You may be right,I,ll go with that!Never heard of sweet iron, perhaps you meant Pig Iron, those hard to cut chains wold have been made with a manganese alloy.
I learned the hard way that manganese is non magnetic after loading 2.5 tons of ball mill balls onto my truck. When the scrap yard magnet would not pick them off the truck was told they would not purchase them.
Manganese is used to make wear resistant steel, there's a foundry in British Colombia paying $1200.00 a ton.
The foundry uses the metal to make abrasion resistant pumps used in the mining industry.
The load I had was over forty years ago.
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I explained what this hook was in the other thread... please read and stay current in your own threadsWhich would eplain why I found this brass snap hook there
they would tie the belt through that and the chains and lower the wagons down using this tiny brass snap hook
I think that is a Mississippi Delta thing, now that I think about it. But that delta life way different than the mountains here. I don't even think the make moonshine. Uncivilized.Mostly I heard it used by old guys we called "River Rats",former tug boat workers and commercial fishermen.I haven,t heard it used in a long time as all those old guys died off.
Au Contraire my friend,moonshine is alive and well in the Delta,how do I know? Heh,heh,heh!I think that is a Mississippi Delta thing, now that I think about it. But that delta life way different than the mountains here. I don't even think the make moonshine. Uncivilized.