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17th century 73 Bottle 73 Vase Amphora Ancient Egyptian Ancient Roman applied ornament avanturine baluster bands beads BEAKER Bernal Collection Blue glass bottom Cartagena Cataluna cheapness of manufacture Clear glass coloured glass curved spout decorated diam DRINKING Glass Egypt Egyptian or Phœnician engraved Ewer example of cheapness fluted foot fragments gadrooned German Gibbs Bequest gilt glass house glass vessels glass-making GOBLET and Cover gold Green glass Greenish glass ground imitation inscription lamp latticinio lection medallions mentioned Millefiore mirrors Monografia moulded Murano neck opaque glass Opaque white glass painted Paris Exhibition pattern Persian Plain glass Plate Pliny Portland vase probably Riano Collection ribbed Romano-British Rome Salviati serrated handles Slade Collection Soulages Collection Spanish Cadalso Spanish Cartagena Spanish Catalonia Spanish Maria Spanish San Ildefonso specimens spiral stopper TAZZA TUMBLER twisted various colours Venetian glass Venice vitro di trina wide mouth WINE Glass yellow
Page v - In the first place, it was shown that all the colours of the prismatic spectrum might Be given to glass by the use of the oxide of iron in varying proportions and by the agency of different degrees of heat; the conclusion of the author being, that all the colours are produced in their natural disposition in proportion as you increase the temperature.
Page v - It was found that silver, although with less intensity, exhihited the same phenomena ; and gold, although usually employed for the purpose of imparting varieties of red, was found by varying degrees of heating at a high temperature, and recasting several times to give a great many tints, varying from blue to pink, red, opaque yellow, and green. Charcoal in excess in a mixture of...
Page lxxxvii - Kensington museum. et de chrystal fait boire les gens en dépit qu'on en ait ; on boit un navire de vin, une gondole; on avale une pyramide d'hypocras, un clocher, un tonneau, un oyseau, une baleine, un lion, toute sorte de bestes potables et non potables.
Page xiv - Their wide dispersion may be referred with much probability to their having been objects of barter between the Phoenician merchants and the barbarous inhabitants of the various countries with which they traded.
Page xxxi - ... persuaded to quit a lucrative branch of their profession, & devote half a life to a single work, for which there is little probability of their being paid half so much as they earn by their present...
Page xiii - ... Roman domination, as similar objects, though of inferior delicacy, appear to have been made in Rome. Assyria. — Early Assyrian glass is represented in the British Museum by a vase of transparent greenish glass found in the north-west palace of Nineveh. On one side of this a lion is engraved, and also a line of cuneiform characters, in which is the name of Sargon, king of Assyria, 722 BC Fragments of coloured glasses were also found there, but our materials are too scanty to enable us to form...
Page v - He has determined, by experiments made by him on polygonal lenses for M. Fresnel, that light is the agent producing the change mentioned : and the author expresses a doubt whether any change in the oxidation of the metal will explain the photogenic effect A series of chromatic changes of a similar character were observed with the oxides of copper, the colours being in like manner regulated by the heat to which the glass was exposed.
Page cl - They also run it into rods, about 30 inches long, which they tie up in bundles and export to all parts of the country. The rods of pig-glass cost 100 cash per catty at the manufactory. The glass is extremely pure ; they colour it most beautifully, and have attained considerable dexterity in manipulation : many of the articles were finely finished.
Page xxxiii - ... of the cup. An example connected with the specimens just described is the cup belonging to Baron Lionel de Rothschild; though externally of an opaque greenish colour, it is by transmitted light of a deep red. On the outside, in very high relief, are figures of Bacchus with vines and panthers, some portions being hollow from within, others fixed on the exterior. The changeability of colour may remind us of the " calices versicolores " which Hadrian sent to Servianus.
Page xxx - ... the shades were wanted deeper, so that the white is often cut to the thinness of paper, and in some instances quite away, and the ground itself makes a part of the bas-relief, by which means he has given to his work the effect of painting as well as sculpture ; and it will be found that a bas-relief, with all the figures of a uniform white colour upon a dark ground, will be a very faint resemblance of what this artist has had the address to produce by calling in the aid of colour to assist his...