Timeline

Graphite deposits found in Borrowdale.
Elizabeth I comes to the throne.
Graphite in lump form used as lubricant, medicine & for armaments.
Britain goes to war with France.
Unable to get graphite from England because of the war, Conté in Paris produces artificial graphite. Borrowdale Graphite is no longer unique!
Napoleon defeated at Battle of Waterloo.
First record of a factory in Keswick making pencils.
Victoria ascends to the throne.
William Monroe in US invented a machine capable of making groves in wooden slats for making pencils.
Four factories recorded in Keswick.
Hogarth & Hayes take over the Southey Works in Keswick.