例文・使い方で印象づける「cobalt」の覚え方
スポンサーリンク...Preliminary List of the SummerBirds of the Cobalt Mining Region, Nipissing District, Ont... 
Frank M. Chapman 「Color Key to North American Birds」
...It is only when he is seen withthe sun shining upon him that the cobalt blue patches in his plumageare noticed...
Douglas Dewar 「Birds of the Indian Hills」
... Muriate of cobalt is of a pale pinkcolor; a very slight heat, by removing a little moisture, changes it toa green...
Henry H. Snelling 「The History and Practice of the Art of Photography」
...With regard to theircomposition, chemical analysis has shown several of the blues to beoxide of copper with a small proportion of iron; none containing cobalt...
George Field 「Field's Chromatography」
...And the blues of cobalt, as always tending togreenness and obscurity, cannot rank beside ultramarine...
George Field 「Field's Chromatography」
...Though not bright, its tints are clear,and it mixes and works kindly with cobalt or French blue, affording finepearly grays...
George Field 「Field's Chromatography」
...They are divisible into three classes—the stannic cerulianblue, the aluminous cobalt blues, and the siliceous smalts...
George Field 「Field's Chromatography」
...Alight and pleasing blue, with a greenish-grey cast by day, it possesseslittle depth or richness, and is far excelled in beauty by a goodaluminous cobalt...
George Field 「Field's Chromatography」
...Thénard, who obtained it by calcining a well-combined mixture of aluminaand crystals of cobalt...
George Field 「Field's Chromatography」
...Thepurity of the colour, however, does not altogether depend on thecompound of cobalt used; in a great measure—as with other pigments—itrests on the purity of the materials...
George Field 「Field's Chromatography」
...To obtain a perfect blue, neitherinclining to purple nor green, the cobalt and alumina should be freedfrom iron, and the former, as much as possible, from nickel also...
George Field 「Field's Chromatography」
...In marine painting in water-colours, cobalt ismost useful for the remotest parts of seas and headlands...
George Field 「Field's Chromatography」
...Acid, as we have said, is the great test for ultramarine; whence if asample be sophisticated with cobalt, its blue colour will not beentirely destroyed...
George Field 「Field's Chromatography」
...It may be said tohover in tint between a rich ultramarine and cobalt...
George Field 「Field's Chromatography」
...But thereis obtainable a compound of zinc and cobalt which gives a blue not onlyfree from green, but inclining rather to red...
George Field 「Field's Chromatography」
...Mixed with cobalt, it forms a fine shadow colour for distant objects;and with indigo or Prussian blue and black, is serviceable for theshades of those nearer the foreground...
George Field 「Field's Chromatography」
...Alone, blue black is useful as a cool shade for white draperies; andcompounded with cobalt, affords a good gray for louring clouds...
George Field 「Field's Chromatography」
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