SEA COAL • FREE-TRANSLATOR.COM • Definition of Sea coal

... in those days must not be forgotten. The canopy of smoke overhanging the vast Modern Babel, and oftentimes obscuring even the light of the sun itself, did not dim the beauties of the Ancient City,—sea coal being but little used in comparison with wood, of which there was then abundance, as at this time in the capital of France. Thus the atmosphere was clearer and lighter, and served as a finer medium to reveal objects which would now be lost ...

— The Star-Chamber, Volume 1 - An Historical Romance • W. Harrison Ainsworth

... of the "music," as the band is called, are generally non-combatants; and mostly ship, with the express understanding, that as soon as the vessel comes within long gun-shot of an enemy, they shall have the privilege of burrowing down in the cable-tiers, or sea coal-hole. Which shows that they are inglorious, but ...

— White Jacket - or, the World on a Man-of-War • Herman Melville