So, getting no reply, he added, "I presume that your plumbago is better."
As the preceding, but employing mixtures of plumbago and crocus in various proportions according to the shade desired.
It consumes very slowly in the fire, and deflagrates like plumbago with nitre.
The crucibles commonly used for fusing metals are formed of clay, or a mixture of plumbago and clay.
The plumbago possesses but little body, and its salutary effect soon passes away.
In the vicinity of Seatoller is the celebrated mine of plumbago, or black lead.
At last they reached the plumbago Mine, on the opposite height, where they borrowed two mules to carry them the rest of the way.
It is then immersed in plumbago and heated to a high temperature in order to destroy the organic matter.
Graphite, plumbago or "blacklead," as it is still sometimes called, is not found in many places and more rarely found pure.
plumbago has at various times formed quite an item in the exports of the island.
"graphite," 1784, from Latin plumbago "a type of lead ore, black lead," from plumbum "lead" (see plumb (n.)); it renders Greek molybdaina, which was used of yellow lead oxide and also of a type of plant (leadwort). Attested in English in the yellow oxide sense from 1610s; as a type of plant from 1747. Related: Plumbaginous.