It is one of the principal seats of the glass industry in Indiana - plate glass, lamp chimneys, mirrors, &c., being manufactured here - and also has mineral wool factories and paper mills.
Among several picturesque old houses remaining, that known as the Six Chimneys, an Elizabethan structure, is the most striking.
In 1905 the borough ranked fifth among the cities of the United States in the manufacture of glass (plateglass, lamp chimneys and bottles), its product (valued at $1,841,308) being 2.3% of that of the whole country.
Among the many developments of the Jena Works, not the least important are the glasses made in the form of a tube, from which gas-chimneys, gauge-glasses and chemical apparatus are fashioned, specially adapted to resist sudden changes of temperature.
The furnaces are square and open in front, to allow the outlet ends of the retorts to project; they are grouped together by fours; and their several chimneys are within the same enclosure.
South, east and west of the city are the gold mines, indicated by tall chimneys, battery houses and the compounds of the labourers.
He was much engaged at the same time in remedying smoking chimneys, and as late as 1785 wrote to Jan Ingenhousz, physician to the emperor of Austria, on chimneys and draughts; smoking street lamps he remedied by a simple contrivance.
The floors and even the walls of important buildings are made of this combination, and long span bridges, tall factory chimneys, and large water-tanks are among the many novel uses to which it has been put.
In the original Whitwell stove, which lacks the chimneys shown at the top of fig.
Thin, hollow towers (such as furnace chimneys exposed to high winds), square I: 6
Of the vast range of buildings for the accommodation of the monks hardly any part remains except the abbot's kitchen, noteworthy for its octagonal interior (the exterior plan being square, with the four corners filled in with fireplaces and chimneys), the porter's lodge and the abbey barn.
The ordinary country-houses are pitiful cots, built of stone and covered with turfs, having in them but one room, many of them no chimneys, the windows very small holes and not glazed.
During his residence in London he applied himself to the discovery of methods for curing smoky chimneys and the contrivance of improvements in the construction of fireplaces.
An iron ring on one of the chimneys is said to be that on which he hung the victims of his.
On account of its transparency and its resistance to fire and sudden changes of temperature, mica has been much used for the windows of stoves and lanterns, for the peep-holes of furnaces, and the chimneys of lamps and gas-burners.
He suggested the use of experimental tanks for testing the powers of ship models, invented an ear-trumpet for the deaf, improved the common house-stove of his native land, cured smoky chimneys, took a lively interest in machine-guns and even sketched a flying machine.
The appearance of the houses is precisely that of Swiss chalets, picturesque and comfortable - the only drawback being a want of chimneys, which the Bhutias do not know how to construct.