A special feature is the manufacture of silk for covering umbrellas; while of its velvet manufacture that of velvet ribbon is the chief.
Among these are flour mills, factories for the cutting of wire nails and making hollow ware from sheet iron, and factories for the manufacture of umbrellas, boots and shoes, &c.
The chief manufactures are wooden shoes and umbrellas, and there is trade in cheese and in the cattle and horses reared in the neighbourhood.
But he had no sooner mounted the steps leading to the entrance than the crowd, which had followed him all the way beating him with sticks and umbrellas, made a rush at him, knocked him down, and kicked and trampled him to death.
A considerable native export trade in wood, charcoal, bamboo, medicines, paper umbrellas, oranges, otter skins and tobacco leaf is carried on.
It is also a centre for hat-making, and produces cloth-fabrics, lace, umbrellas, casks, chairs, wooden shoes, candles and pastries.
In 1905 the principal products were umbrellas and canes (valued at $2,782,879), cigars and cigarettes ($1,951,971), and foundry and machine-shop products ($1,036,526).
The prosperity of the town is largely due to the great slate-quarries of the vicinity, but the distillation of liqueurs from fruit, cable, rope and thread-making, and the manufacture of boots and shoes, umbrellas and parasols are leading industries.
There are manufactures of woollen yarn, tobacco, biscuits, umbrellas and printers' ink, and a lively trade is carried on in wax, honey, wool and timber.
The Pennsylvania railway has repair shops here, and among Columbia's manufactures are silk goods, embroidery and laces, iron and steel pipe, engines, laundry machinery, brushes, stoves, iron toys, umbrellas, flour, lumber and wagons; the city is also a busy shipping and trading centre.
In spite of precautions this fact became public and provoked the formidable riot styled "The battle of the umbrellas" that broke out the next day.