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It was in small quantities, and was neglected by the government, and no extended search was prosecuted. The present search for gold may bring to light mineral resources of Ceylon which have hitherto lain hidden. The minerals proved to exist up to the present time are gold, quicksilver, plumbago and iron. The two latter are of the finest quality and in immense abundance.
In cases where it is desirable to reproduce the signals in the local circuit with the same variations in strength as they are received by the relay, the Edison carbon pressure relay does the work. The poles of the electromagnet in the local circuit are hollowed out and filled up with carbon disks or powdered plumbago.
Immediately upon his coming, conversation became general, and a few moments later the party was seated round a small table kept for intimate gatherings, and placed in the centre of the large teak-panelled room. An arrangement of plumbago and maidenhair, and pale blue shaded candles casting a dim light, carried out the saxe blue effect that Mrs.
The attractive Derwent flows down through the Borrowdale Valley past Seathwaite, where for many a year there has been worked a famous mine of plumbago: we use it for lead-pencils, but our English ancestors, while making it valuable for marking their sheep, prized it still more highly as a remedy for colic and other human ills.
"Barb, yonder's where Jeff-Jack and I stopped to dine on blackberries the day we got home from the war. Now, there's the railroad cut on the far side of it. There, you see, Mr. Fair, the road skirts the creek westward and then northwestward again, leaving Rosemont a mile to the northeast. See that house, Barb, about half a mile beyond the railroad? There's where the man found his plumbago."
After traversing the country in various directions, I came to the conclusion that the carboniferous shales or slates with anthracite and plants, which in Rhode Island often pass into mica-schists, have at Worcester assumed a perfectly crystalline and metamorphic texture; the anthracite having been nearly transmuted into that state of pure carbon which is called plumbago or graphite.
The garden gate blows open, and the local commando of goats, headed by an aged and fragrant patriarch, locally known as De Wet, rushes in; but their teeth will barely bite through the wiry stalks of the Parramatta grass, and the plumbago and the figtree fail to attract them, and before long they stand on one another's shoulders, scale the fence, and disappear into the next-door garden, where a fanatic is trying to grow show roses.
Now this comes from a regular coal stratum; and what is more remarkable, in this stratum is contained a true plumbago, Farther up the country, the Earl of Dumfries has also a mine containing plumbago along with other coal strata; and though the plumbago of these two mines have not all the softness and beauty of the mineral of the same species from Cumberland, they are nevertheless perfect plumbago.
The thick flowering creepers which almost covered the walls as high as the windows of the second story roses, bougainvillea, plumbago, and convolvulus were tangled and matted together, great branches trailing over the shut eyes of the windows. Cypresses and olives were untrimmed, and there was a straggling wilderness of orange trees.
There is always a sure market for plumbago, and it seems singular that a more organized effort is not made to obtain it for export. Each year since has seen a large increase of these figures, until in 1891 there were over four hundred thousand hundredweight packages sent from the island, or say two hundred thousand tons.
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