Synopsis
This is a 1972 color film by Cullen Productions, sponsored by the Lead Industries Association, about the element Lead (Pb) and its many uses. It was likely produced as a p.r. effort at a time when the element was under assault in the media, and was about to be phased out of gasoline. The film opens with a color-coded periodic table of the elements. Only the symbol, Pb for lead is visible. "The Lead Matrix". Man is seen drilling crude ore in a mine 1:03. Rocks are transported by rail car, underground 1:32. Rail car is turned on its side and ore is dumped 1:45. Rocks are crushed 2:12. Suspended and separated 2:30. Concentrated and recovered 2:45. Centered and smelted 2:55. Molten lead 3:12. A man dips a large bucket into the molten lead 4:15. Refined, purified and poured into ingots; 2 tons of ore produce only one, 100-pound brick of lead 4:43. A map of North America 4:51. Over 1 million tons of lead are reclaimed each year 4:58. Symbol which the ancients used to represent lead 5:10. The modern day symbol for lead is Pb which stands for the word Plumbum 5:29. Lead lasts for centuries 5:45. Lead is soft and easy to process 6:00. Animation shows how lead is an effective barrier to the transmission of sound 6:25. Lead protects us in x-ray rooms 6:38. Industrial radiographic installations 6:55. Interlocking lead bricks 7:08. Gloves and aprons made with lead protect people 7:20. Lead lined plywood and cinderblocks, lead glass windows and lead personnel shields 7:36. Lead shipping…
Uploader's description on archive.org
Details
- Running time
- 25 minutes
- Collection
- Ephemeral Films
Subjects on the Internet Archive
- Stock Footage