Account of a Chemical Examination of the Celtic Antiquities in the Collection of the Royal Irish Academy, Dublin |
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additur æris alloy analyses ancient antimony Archæology of Scotland Aristotle assistance of chemical Auscult bably bead belong Betham's blowpipe brass-yellow colour brittle bronze carbonate of lime celt Celtic antiquities Celtic bronze cent certainly chemical examination cobalt composition consist contained copper copper and tin core corroded cupellation derived employed epoch foreign metals found in Ireland fragments Gehlen's Journal glass gold ornaments hard Hence impure inch in diameter instance Kilmainham Klaproth large quantity lead Locality unknown malleable manufacture material metallurgy nitric acid orna perhaps Phoenicians pigments Pliny plumbi portion present Primeval Antiquities probably Purple of cassius relics rings Roman Royal Irish Academy silica silver similar Sir H small quantity smelted south of Europe spear-head Specific gravity specimens of ring-money Strabo substance Sulphur sulphuret supposed surface sword tarnished Tarshish Tartessus torque Trace uniform vessel weapons wire workmanship Worsaae yellow Zinc
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Page 32 - Tarshish was thy merchant by reason of the multitude of all kind of riches; with silver, iron, tin, and lead, they traded in thy fairs.
Page 31 - Nascitur ibi plumbum album in mediterraneis regionibus, in maritimis ferrum, sed ejus exigua est copia : aere utuntur importato.
Page 17 - the metal appears to me to be chiefly copper, interspersed with particles of iron, and perhaps some zinc, but without containing either gold or silver ; it seems probable, that the metal was cast in its present state, and afterwards reduced to its proper figure by filing. The iron might either be obtained with the copper from the ore, or added afterwards in the fusion, to give the necessary rigidity of a weapon. But I confess myself unable to determine...
Page 19 - ... variety; 3g (Sirr). No. 261, upper fragment of spear-head ; 3f. No. 262, portion of bronze blade, with thick circular solid midrib and bevel edges ; 3^. Analyzed by Mr. Mallet, who says it is " tarnished, of a deep brown colour, resembling, I believe, the appearance of the bronze called ' cinque cento ;' when filed, the metal was found to be exceedingly hard, and of a yellow colour; specific gravity, 7.728.
Page 20 - ... Louth. No. 59 was procured from the county of Monaghan. No. 60 is not socketed, and resembles a scrape more than a gouge. No. 61, see Fig. 399. No. 62, short, plain. No. 63, a fragment of socketed gouge, or chisel, found near Newry, county of Down, and analyzed by Mr. JR Mallet, who described it as made of very inferior bronze, copper-coloured, soft, and " not uniform in texture. It contained cavities produced by air-bubbles in the casting, and was very much corroded ; oxide of tin, carbonate...
Page 6 - They are about an inch and a half long and a quarter of an inch broad.— .YofM on Cain, pp.
Page 11 - It was bent into the shape of a horse-shoe, and the ends were cut sharply off, so as to induce the belief that it too may have been used for money. It weighed 103.86 grs. = 4 dwt. 6 grs. (+1.86 grs.), or about eight and a half units. Its specific gravity = 10.253. No. 3. End of a taper bangle or penannular bracelet of very rude workmanship.
Page 1 - Account of a chemical examination of the Celtic antiquities in the collection of the Royal Irish Academy, Dublin.
Page 20 - A good hard bronze, very like No. 8 [see sword-handle, No. 24] in colour and external appearance, and rather more malleable. It was scarcely tarnished. Specific gravity, 8-675." Its composition was copper 90'72, tin 8-25, lead 0'87. See Transactions, vol. xxii., p. 323. No. 203, spear-pointed, socket short, but passing for an inch into blade portion; 4f. This specimen, together with Nos. 206, 210, 213, 216, 222, 224, and 227, were procured...
Page 20 - ... found at the Cutts on the River Bann, near Coleraine, with Nos. 36, 97, 124, &c., and — Presented by the Board of Works (see Proceedings, vol. v., p. 417- No. 24, polished, welded in two places, wants handle-plate, two rivet-holes ; 16| by 1 £ (Dawson). Analyzed by Mallet as No. 8, who writes: "This specimen was made of a beautiful compact metal, very hard, and of a yellow colour, like that of No. 1 [celt No. 597, on Tray T, see p. 430], but a little deeper. Specific gravity, 8'819. It contains...