Origin of black lead
Examples from the Web for black lead
Historical Examples of black lead
Now that is exactly what is done in the preparation of the black-lead for lead-pencils.
The next thing is to prepare the wood to receive the black-lead strips.
He became industriously curious about the past of black-lead.Tono Bungay
H. G. Wells
But when they tried it, to their great disappointment it turned out to be only black-lead.The Boy's Book of Heroes
They are made to revolve during four hours, to render them smooth; black-lead is then added, and they revolve four hours more.