Pencil, hardness, test, versus ,Brinell, hardness, of, lead, alloys,
Using a Pencil to find out the hardness of a lead alloy. This is useful in reloading. Buying a hardness tester is better and way more expensive.
But this will get you in the ball park.
Lee Precision Lead Hardness Test Kit. http://amzn.to/28RK1jT
Staedtler Lumograph Graphite Drawing and Sketching Pencils
Get the chart here http://tinyurl.com/z6gmgxl
The music is “So Bueno” by The 126ers From the You Tube music library.