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PITTsBUEeR GLASS FAcToRIEs.-Gass of all
descriptions is manufactured in this city, and this


fragile production of her factories, may be found,
we arc told, in the elegant mansions of Newly ork,
Philadelphia and Baltimore, we'll as in the log
cabin of the Wcstern emgrant. The cut glass
made here is of excellent quality, white and very
clear. The cutting of glass consists entirely in
grinding away successive portions, by holding the
glass upon the surface of small wheels, made Of
stone, metal and wood, which are made to revolve
rapidly, by means of steam eng inc The first or
rough cutting is given by wheels of stone, alter
wards wheels of iron used, having their edges
covered with sharp sand, or with emery CT differ
cnt states of fneness The last polish is given
with brush wheels, covered with oxide of tin or
lead. To prevent friction from exciting so much
heat as to endanger the glass, small stream OF
water continually drops upon the surface of the
wheel- One of the principal glass manufacturers
mentioned an amusing incident. Some Indians
had ,,een as delegation to Washington, about
some reserved lands and they spent few days
here On their return. One Of them, Chief, had
seen Ill that was curious in Baltimore and Phila-
dol1hia without being much excited. While here,
he visited the glasshouse, and watched all the va
rous operations, with great interest. At length
he saw the process of making some cream jugs.
The body of the jug was formed first, and when
the material for the handle was formed and fixed,
it was found to be perfect vessel Seeing all this
produced from molten glass, the Chief could re-
strain himself no longer. He rushed forward to
the rkman, took him by the hand, and declared
that he must have the spirit of the Great Father
within him. or he could not have performed such
a wonder Corr. Owego Adv.