A pencil is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand. Its modern graphite form developed gradually across several centuries rather than through a single inventor or year. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
YearSourced to the subject's own account SignificanceSourced to the subject's own accountKoh-I-Noor patented the graphite-and-clay lead manufacturing process in 1802, industrializing the modern wood pencil. 1 Connections
Associated With
Source Nicolas-Jacques Conte (Grace's Guide)
In Field
Source Pencil (Wikipedia)
Long-Form Articles
Sources
1. Pencil (Wikipedia)
WikipediaLead section (entity-description)
A pencil is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand.
History, France section, Conte paragraph, first sentence
In 1795, Nicolas-Jacques Conté discovered a method of mixing powdered graphite with clay and forming the mixture into rods that were then fired in a kiln.
History, France section, patent sentence
In 1802, the production of graphite leads from graphite and clay was patented by Koh-I-Noor.
In Field: Materials Engineering, Categories
Visual arts materials
View the Source Nicolas-Jacques Conte (Grace's Guide)
Associated With: Nicolas-Jacques Conté, Second paragraph, pencil lead [associated-with]Quote, Associated With: Nicolas-Jacques Conté, Second paragraph, pencil lead [associated-with]
Conté invented the modern pencil lead at a time when the French Republic was under economic blockade and unable to import graphite from Britain.
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