Explanatory notes
… of non-refractory goods, usually of common pottery but sometimes more or less vitrified, which, like bricks, are … (1) Roofing tiles (for roofs, for topping walls, etc.). These are usually provided with nibs, holed for … etc. (e.g., cornices and friezes); gargoyles; pediments, rosettes, balustrades, corbels, capitals; gable-end, eave, …