It is a poor and crowded district, and a large industrial population is employed in the riverside wharves and in potteries, glassworks and other manufactures.
Special glasses have therefore been produced by Tonnelot in France and at the Jena glassworks in Germany expressly for the manufacture of thermometers for accurate physical measurements; the analyses of these are shown in Table III.
Before 1825, when the excise duty was introduced into Ireland, there were flourishing glassworks in Belfast, Cork, Dublin and Waterford.
It has various industries, including saw and planing mills, shipbuilding, glassworks and factories for wood-pulp, barrels and potato flour; and an active trade in exporting timber, ice, wood-pulp and granite, chiefly to Great Britain, and in importing from the same country coal and salt.
Brick, porcelain and glassworks employ large numbers of the inhabitants.