Pencil

device · 1565 · Early modern era

A graphite rod in a casing.

Inventor: Nicolas-Jacques Conté.

What it is made of

• Graphite pencil lead — has part. A mixture of graphite and clay.
• Wooden pencil casing — has part. A cedar or lime-wood casing.
• Eraser — has part. An eraser on the end.

Principles and materials it uses

• Graphite — is made of. The lead is graphite mixed with clay.
• Eraser — uses. Erasing.

History: what it evolved from and what it influenced

• Mechanical pencil — evolved into. A retractable lead.

Take Pencil apart

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