1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
ANTHRACITE (Gr. avOpat, coal), a term applied to those varieties of coal which do not give off tarry or other hydrocarbon vapours when heated below their point of ignition; or, in other words, which bum with a smokeless and nearly non-luminous flame. Other terms having the same meaning are, " stone coal " (not to be confounded with the German Steinkohle) or " blind coal " in Scotland, and " Kilkenny coal " in Ireland. The imperfect anthracite of north Devon, which however is only used as a pigment, is known as culm…
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- Vol. 2, pp. 105-105