Leaden tube and a concave lens in the other one.
In the process employed at the Worcester Works in the Transvaal, the liquors, containing about 150 grains of gold per ton and from 0.08 to o 01% of cyanide, are treated in rectangular vats in which is placed a series of iron and leaden plates at intervals of 1 in.
It is then oxidized to anthraquinone by means of sodium dichromate and sulphuric acid in leaden vats, steam heated so that the mixture can be brought to the boil.
In 1701, New York, seeking another claim, obtained from the Iroquois a grant to the king of England of this territory which they claimed to have conquered but from which they had subsequently been expelled, and this grant was confirmed in 1726 and again in 1744 About 1730 English traders from Pennsylvania and Virginia began to visit the eastern and southern parts of the territory and the crisis approached as a French Canadian expedition under Celeron de Bienville took formal possession of the upper Ohio Valley by planting leaden plates at the mouths of the principal streams. This was in 1749 and in the same year George II.
At Kampos, on the western side of Taygetus, a small domed tomb of the "Mycenean" age was excavated in 1890 and yielded two leaden statuettes of great interest, while at Arkina a similar tomb of poor construction was unearthed in the previous year.
Further, Pope Pius confined the functions of the chancery to the sending out of bulls under the leaden seal (sub plumbo), for the erection of dioceses, the provision of bishoprics and consistorial benefices, and other affairs of importance, these bulls being sent out by order of the Consistorial Congregation.
From 1776 to 1780 two depots for military stores and a workshop for the Continental army were maintained, and the leaden statue of George III., erected in Bowling Green, New York City, in 1770, and torn down by citizens on the 9th of July 1776, was cut up and taken to Litchfield, where, in the house (still standing) of Oliver Wolcott it was melted into bullets for the American army by Wolcott's daughter and sister.
Only one compound of hydrogen and fluorine is known, namely hydrofluoric acid, HF or H 2 F 2, which was first obtained by C. Scheele in 1771 by decomposing fluor-spar with concentrated sulphuric acid, a method still used for the commercial preparation of the aqueous solution of the acid, the mixture being distilled from leaden retorts and the acid stored in leaden or gutta-percha bottles.
The chief scourge is the sirocco, which is experienced in its most characteristic form on the north coast, as an oppressive, parching, hot, dry wind, blowing strongly and steadily from the south, the atmosphere remaining through the whole period of its duration leaden-coloured and hazy in consequence of the presence of immense quantities of reddish dust.
I live in the angle of a leaden wall, into whose composition was poured a little alloy of bell-metal.
Either they are placed in a leaden cupboard into which the vapour is introduced, or they are dipped for a few seconds in a mixture of one part of chloride of sulphur and forty parts of carbon disulphide or purified light petroleum.
In the Thies process, used in many districts in the United States, the vats are rotating barrels made, in the later forms, of iron lined with lead, and provided with a filter formed of a finely perforated leaden grating running from one end of the barrel to the other, and rigidly held in place by wooden frames.
The MS. of this work, written in Phoenician characters, was said to have been found in his tomb (enclosed in a leaden box) at the time of an earthquake during the reign of Nero, by whose order it was translated into Greek.
When the steaks were grilled and the corn and green beans boiled, the table was leaden with food, enough for a small army.
On the terrace, as was ascertained in 1894, stood a Corinthian temple of the early imperial period, iio by 65 ft.; the cella was decorated internally with engaged half-columns, and contained the pedestal for the statue of the deity, according to some authorities Venus, but more probably Jupiter Anxur worshipped as a child - a theory confirmed by the discovery of many curious leaden toys, like those made for dolls' houses at the present day, in the favissae on the E.
The Medinians, whose loyalty was suspected, were treated by him with severity; not a few manias (clients) were obliged to wear a leaden badge on their neck (Tabari, ii.
The leaden tablets of the oracle contain no certain example of a response, though there are many questions, varying from matters of public policy or private enterprise to inquiries after stolen goods.
On the Aegean coast it often occurs in early coinage (17) -- at Lampsacus 131-129, Phocaea 256-254, Cyzicus 252-247, Methymna 124.6, &c. In later times it was a main unit of North Syria, and also on the Euxine, leaden weights of Antioch,(3), Callatia and Tomis being known (38).
A piece of leaden water-pipe found in the house bears NER.
The mean from leaden weights of Chios, Tenedos (44), &c., is 8430.
The type of the leaden seal affixed to the bulls (representing the heads of the apostles Peter and Paul) was fixed, and the use of Roman minuscule finally substituted for that of the Lombard script.
The bull, so called from the leaden seal (bulla), is written on thick parchment; the special writing known as Lombard, which used to be used for bulls, was abolished by Leo XIII., and the leaden seal reserved for the more important letters; on the others it has been replaced by a rest ink stamp bearing both the emblems represented on the leaden seal: the two heads, face to face, of St Peter and St Paul, and the name of the reigning pope.
It has manufactures of wire, leaden pipes and other metal goods, cement, sugar, &c.
He died there about 573, and his body, enclosed in a leaden coffin, was carried to Constantinople and buried there.
Bows are made of it by the union of two pieces with many bands; and, the septa being bored out and the lengths joined together, it is employed, as we use leaden pipes, in transmitting water to reservoirs or gardens.
The effect in bad cases is to cause loss of appetite, a leaden pallor of the skin, and a degree of leanness so excessive as to make its victims appear like living skeletons.
Thus obtained it is a brownish solid, which readily fuses and resolidifies to a soft leaden-grey mass.
The sovereigns of Spain, too, made use of the same material; and in the Byzantine empire leaden bullae seem to have been universally employed, not only by emperors and state officials but also by private persons.
In Germany, too, bishops occasionally made use of leaden seals.
An upright cylindrical or square tower, consisting of a leaden shell lined with heatand acid-proof stone or brick, and loosely filled or "packed" with the same material, over which a mixture of acid from the Gay-Lussac tower and from the chambers trickles down in such proportions that it arrives at the bottom as denitrated acid of from 78 to 80% H 2 SO 4.
We also note the Faure and Kessler apparatus, which consists of a platinum pan, surmounted by a double-walled leaden hood, in such a manner that, while the hood is constantly cooled from the outside by water, the thin acid condensing on its inside is carried away without being allowed to flow back into the pan.
The only noteworthy buildings are the large, crowded and well-furnished bazaars with leaden domes.
The buildings are surrounded by thick walls, and comprise a large central church (Our Lady's), and two side chapels (the Martyrs' and St Demetrius'), each surmounted by a leaden cupola.
The commercial salt is known as salvolatile or salt of hartshorn and was formerly obtained by the dry distillation of nitrogenous organic matter such as hair, horn, decomposed urine, &c., but is now obtained by heating a mixture of sal-ammoniac, or ammonium sulphate and chalk, to redness in iron retorts, the vapours being condensed in leaden receivers.
But the leaden weights of the west (44) from Corfu, &c., average 7580, or 126.3; this standard was kept up at Cyzicus in trade long after it was lost in coinage.
In length and 6 in height, which has been supposed to commemorate the great naval victory of Conon over the Lacedaemonians in 394 B.C. Among the minor antiquities obtained from the city itself, or the great necropolis to the east, perhaps the most interesting are the leaden KarrccB€o oc, or imprecationary tablets, found in the temple of Demeter, and copied in facsimile in the appendix to the second volume of Newton's work.
Its ugliness was emphasized by the old felt hat which he wore, - its sole ornament the leaden figure of a saint.
This last is the beautiful roseate tern, Sterna dougalli; the other is the black tern, Hydrochelidon nigra, belonging to a genus in which the toes are only halfwebbed, of small size and dark leaden-grey plumage.
A hundred or more jars were coupled in series, the cathodes of one to the anodes of the next, and were so arranged that with the aid of side-pipes with leaden connexions and india-rubber joints the electrolyte could, once daily, be made to circulate through them all from the top of one jar to the bottom of the next.
Certain Carolingian monarchs, probably copying the practice of the papal chancery, issued diplomas authenticated by leaden seals, examples of the reign of Charles the Bald being still extant.
By the rolling of the cylinders up the vertical bands from the casting the cylinders are raised vertically through a space defined by the position of the leaden regulators.
Hence the leaden bulla was a recognized form of seal during the middle ages in the Peninsula, in southern France, in Italy, and in the Latin East.
Leaden seals were also used by the archbishops of Ravenna and other prelates of Italy; also to some extent by officials of a lower rank, and by certain communes.
The fashion even spread to Britain, as is proved by the existence in the British Museum of a leaden bulla of Ceenwulf of Mercia, A.D.
Molybdophanes from the leaden colour of their naked parts.