Author Topic: National Lead Co.  (Read 605 times)

0 Members and 1 Guest are viewing this topic.

Offline Jim 44-40

  • Trade Count: (0)
  • Member
  • *
  • Posts: 59
National Lead Co.
« on: May 30, 2006, 12:08:21 PM »
Any one know  what the number 140 stands for on a bar of lead/tin?