Abbe, after the founding of -the glassworks at Jena, who effected, independently of his predecessors,.
It is the capital of the Altai mining districts, and besides smelting furnaces possesses glassworks, a bell-foundry and a mint.
In 1797 glassworks which were the first to use coal as a fuel in making glass were built here; later Pittsburg profited greatly by the use of its great store of natural gas in the manufacture of glass.
Portuguese cabinet-work deteriorated in the 19th century; the glassworks and potteries of the Aveiro and Leiria districts have lost much of their ancient reputation; and even the exquisite lace of Peniche and Vianna do Castello is strangely neglected abroad.
The establishments include slaughtering and meat-packing houses, whose product is by far the most valuable in the city, bleacheries, finishing factories, glassworks, machine shops, tube works, jewelry factories, and a desk factory.