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Pencil

en.wikipedia.org/wiki/Pencil

Consequently, it was called plumbago (Latin for "lead ore"). ... Graphite had to be smuggled out for use in pencils.

Lead in Pencils: Safety Information and Facts - Pencils.com

pencils.com/lead-in-pencils/

As mentioned on our The Unleaded Pencil page there is no lead in the writing core of a "lead" pencil. The core is made of non-toxic graphite and does not c.

Pencil History - Pencils.com

pencils.com/pencil-history/

Other early styluses were made of lead, which is what we still call pencil cores, even though they actually are made of non-toxic graphite. But pencil history ...

Why Pencil "Lead" is Called "Lead" - Today I Found Out

www.todayifoundout.com/index.php/2010/11/why-pencil-lead-is-called-lead/

Nov 24, 2010 ... Thus, the pencil was officially born with a core of solid graphite, which was known then as black lead. The tradition of calling sticks of graphite ...

Visual History of the Pencil | Museum of Every Day Life

museumofeverydaylife.org/exhibitions-collections/current-exhibitions/visual-history-of-the-pencil

The word pencil comes from the latin, penicillum , the name for a small, ... The earliest known description of a wood-cased lead pencil dates from a 1565 book on ...

The Unleaded Pencil: What's Really Inside a Pencil? - Pencils.com

pencils.com/the-unleaded-pencil/

Here's a myth buster: there is no lead in pencils. Rather, the ... graphite was uncovered; a find that yielded pieces of pure ore weighing as much as 80 pounds !

Ever wondered about the lead in pencils? - The Washington Post

www.washingtonpost.com/lifestyle/kidspost/ever-wondered-about-the-lead-in-pencils/2014/11/26/f8b5869c-548a-11e4-809b-8cc0a295c773_story.html

Nov 30, 2014 ... Lead pencils contain graphite (a form of carbon), not lead. In fact, contrary to what many people believe, lead pencils never were made with ...

Do pencils contain lead? | MNN - Mother Nature Network

www.mnn.com/your-home/at-home/stories/do-pencils-contain-lead

May 11, 2009 ... Q. I know that lead is terrible for the environment and also a serious health threat, so I hesitate to use pencils. But plastic pens seem like a bad ...

Popular Q&A
Q: What are lead pencils made of?
A: The "lead" is made of clay and graphite, surrounded by wood. Pencils are made out of trees. Wood and graphite. Read More »
Source: wiki.answers.com
Q: Why was the lead pencil invented?
A: so that people could write. Read More »
Source: wiki.answers.com
Q: When was a lead pencil invented.
A: The lead pencil was invented on 1564. Read More »
Source: www.answers.com
Q: What are lead pencils mad of.
A: graphite. Read More »
Source: www.answers.com
Q: Who invented lead pencils?
A: In 1795, Nicholas Jacques Conte (a French officer in Napoleon's army) patented the modern Read More »
Source: www.chacha.com