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Updated: June 11, 2025
The shaft, 40 feet from 'the outcrop, and 50 from the hill-base, is bottomed at the depth of 52 feet. Unfortunately it is only box-timbered, and much of the woodwork was shaken down by the blasts. The sinking through stiff clay, stained with iron, cobalt, manganese, and cinnabar, was reported easy.
Before their altars the candles are kept burning and trimmed forever. Their numbers are recruited from the noblest families. Young men to whom the army is open prefer God-service in the elegant retirement of St. James of Manganese. They will interest you, Prince; and after them we will have the second grand division." "Brethren of the Islands?" "Yes, of the Islands and the sea-shores."
At Solutre, ochre, manganese, and graphite were found; the last named had been scraped with a flint, and the scratches made by it are still distinctly visible. All these fragments of ochre or manganese, red chalk or black lead, were reduced to powder with the help of pebbles, artificially hollowed out.
As much strength and lightness as possible have been secured for the propellers by constructing them of manganese iron; while steel has been largely employed for the engines and boilers, which are, for their weight, the most powerful possessed by any vessel. The estimated horse-power is 10,500, and the ship, under favourable conditions, can make fifteen knots an hour.
He painted their bodies with the black lustrous powder of iron and manganese ore which is believed to strike terror into the hearts of enemies. He selected their leader, invested him with the office, and blessed the war-fetiches. To the leader he gave a little bag of buckskin filled with the powder of the yerba del manso, which still further produces dismay among the foe.
When warmed with black oxide of manganese and strong sulphuric acid it gives off chlorine, recognized by its smell and bleaching properties. Diluted it gives with nitrate of silver, a white precipitate, which is insoluble in nitric acid and in caustic potash, but is soluble in ammonia, and when dried and heated melts, and forms a horny mass. Stains on clothing are reddish-brown in colour.
Stimulants have proved of the greatest service; and the late Prof. Tessona, of Turin, strongly recommended, from the very onset of the disease, the administration of strong doses of quinine. Maffei, of Ferrara, states that he has obtained great benefit from the employment of ferruginous tonics and manganese in the very acute stage of the malady, supported by alcoholic stimulants.
From the acids in insoluble and a few other compounds, chromic, arsenic, and arsenious acids, by fusion with carbonate of soda in presence of carbonic acid gas; borate of manganese is readily decomposed when the boracic acid is to be determined by boiling with solution of potassa, dissolving the residue in hydrochloric acid and precipitating the manganese as binoxide.
Oxide of cobalt, 2 parts; oxide of copper, 2 parts; oxide of manganese, 1 part; flux No. 1, 6 parts; fused borax, 1/2 part; melt and add oxide of manganese, 1 part; oxide of copper, 2 parts; triturate without melting. The colours thus prepared after having been rubbed up on a plate of ground glass with the spirits of turpentine or lavender, thickened in the air are applied with a hair pencil.
But do not let us lose sight of our proper subject, by examining things foreign or not so immediately to the purpose. We are only inquiring if those flattened spheres of native manganese had been formed by water, or if it were by fusion; for, our author agrees that there is no other way.
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