Copper Rolling.—A large mill for this purpose is in operation
on Smith's wharf. It is called the Vallona Copper Works.

Cotton Factories.—These are very numerous in Baltimore and
ts neighborhood. The following will present a view of this spe-
ues of manufacture.

Names of Factories, Location, Proprietors, &c.

Lanvale, Falls turnpike, H. D. Evans, proprietor, 150 hands,
200,000 lbs. cotton annually.

Hillen street Factory, in Hillen street, J. Orr, proprietor.

Thistle, Patapsco river, Messrs. Morris, proprietors, hands vary,
spindles 5,000, 820,000 lbs. annually.

Powhaton*, Gwynn's Falls, conducted by a company, 150
hands; 5,000 spindles; 250,000 lbs. annually.
Franklinville, Little Gunpowder Falls, James Mahool, manager,
100 hands; 2.000 spindles; 15,220 lbs. yarn; 575,000 yards cotton.

Maryland, 100 hands, 2,900 spindles.

Savage, Lt. Patuxent, 5,100 spindles, 250 hands, 1,368,000 yds.

Warren, Great Gunpowder Falls, conducted by a company,
120 hands; 2,400 spindles, 600,000 to 720,000 lbs. annually.

City Steam Duck Factory, French street, A. Mitchell, proprie-
tor, 130 hands; 2,100 spindles, 250,000 lbs. annually.

Cotton Carpets.—The manufacture of this article is carried on
so extensively by numerous individuals in different parts of the
city, that it is impossible to enter into particulars.

Drugs.—See Chemical Works.

Flour.—See Mills.

French Burr Mill Stones.—Are made by Morris &, Egenton,
near Pratt street bridge, and Jno. McMahon, Pratt st. w. of Gay.

Gas Works.—These works, by means of which not only our
streets are illuminated, but many of the stores, the churches,
museum, theatres, &c., occupy a building of most unprepossessing
appearance at the south west corner of North and Saratoga sta
The utility of this establishment is almost beyond computation,
but it is one unpleasant circumstance attending it that the efflu-
via it sends forth is very disagreeable to the alfactories, if not
prejudicial to health. Its location, in the heart of the city, does
not detract from this inconvenience.

Glass (Window) Factory.—The only one now in operation in
Baltimore, (though two others have been built,) is for the manufac-
ture of window glass, on the south side of the basin. It is the
property of Mr. P. R. D. Frieze. It now manufactures 4,000
boxes of 100 feet each, but the business can readily be extended
to meet an increase of demand.

Glass Cutting.—A large amount of this kind of work it done
by sundry individuals. One establishment for this purpose which

* The Powhatan factory has one hundred power looms; it makes annually
about 840,000 yards of brown shirtings, besides a great quantity of carpet
chain, seine twine, candle wick, and cotton wrapping twine.
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