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a short distance from Pittsburgh, is one of the largest in
the world, employing several thousand persons. The
company also operates factories at Elwood, Ind., Toledo,
Ohio, Bethevan, Ind., as well as a factory in Pittsburgh.
It was at the Charleroi plant that many of the extraordinary
 things which have been done in glass, in recent
years, were accomplished. Perhaps the most important
of these things was the manufacture, for the first time in
America, of the great lighthouse lenses used by the United
States and other Governments in the lighthouses which
protect the coasts and waterways. Some idea of the
development of the glass industry can be formed from
the fact that in this plant there are made seven different
kinds of clear glass. Glass is made which can be subjected
to very violent treatment, such as throwing it around
without breaking. This glass is used in the steam gauges
of large locomotives and in other places where a glass is
required of sufficient toughness to resist great expansive
forces. Special heat-resisting glass, used where it is subject
 to high temperatures, as in miners’ safety lamps, is
also made here. Other products include all kinds of lluminating
 and industrial glassware, lantern globes, street lighting
 globes, lighting fixture glassware, ship lights, railway
signal glass, chemical glassware and automobile lenses.
It is, however, impossible to enumerate the multitude of
different articles manufactured by this company, as the
latest estimate placed the number at over 6.000.

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PITTSBURGH LAMP, BRASS & GLASS COMPANY

The Pittsburgh Lamp, Brass & Glass Company was
incorporated in 1902 under the laws of New Jersey with
an authorized capital of $1,500,000, equally divided between
 preferred and common of the par value of $100 a
share. The company was formed by the consolidation of
the Pittsburgh Lamp and Brass Company of Allegheny,
Pa., the Kopp Glass and Lamp Co. of Swissvale, Pa., the

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