1 gen 1860 anni - Mid 1800s: Mass Production of Pencils
Descrizione:
By the mid 1800s, pencils began to take the form we know today, made up of graphite cores encased in wood, as factories began to mass produce them they became one of the most common writing utensils.Aggiunto al nastro di tempo:
Data:
1 gen 1860 anni
Adesso
~ 164 years ago
