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The Anatomy of a Ballpoint Pen
7
Transcript
Aluminum
Reference
- www.ehow.com
- www.wikipedia.com
- www.enotes.com
- www.ideafinder.com
- Melting point:660.37degrees Celsius
- Boiling point:2467degrees Celsius
- solid at room tempature
- density:2.7(g/cm3)
- chemial formula:AL(SO4)3.18H2O
Materials
- plastic
- metals usually aluminum
- these materials are easy to use because they are easily molded
History
The Anatomy of a Ballpoint Pen
- was first made in 1854
- wasn't patented until 1888 by John Loud
Fun Facts
- Ballpoint pens have the same design most of the time
- Some have different color inks
- All ballpoint pens have a miniscule ballat the tip of the pen
- The founder of the ballpoint pen is a commonly argued and is thought that the Germans created it
- Bic sells the most ballpoint pens worldwide
- Ballpoint pens were perfected and patented by by John Loud
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