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is consumed and more boiler power required.
necessarily increasing the cost of operation; hence
the removal of any pressure from the front of the
piston is equivalent to adding the same amount
behind it.
There is good economy in the use of this type
of condenser, which will vary owing to the existing
conditions, besides disposing of the inconvenience
of the higher temperature in the mines
from the heat in the pipes delivering the exhaust
steam to the surface. In addition to the saving
of steam, the saving of the cost of the piping for
carrying off the exhaust will oftentimes exceed
the original cost of the condenser.
There is unnecessary expense in the installation
and maintenance of exhaust piping, and considerable
delay when the pumps are moved about in the
mines, and these can be avoided by the use of the
"Cameron condenser."
To Develop Its Coking Coal.
The Pittsburgh Coal Co. has let contracts for
140 new coke ovens to be added to what it already
has in connection with its Colonial and Redstone
plants in the Connellsvi!le region. Four hundred
and thirty addition ovens will be constructed for
next spring, the development indicating that it is
not intended to dispose of the company's valuable
coking tracts, at least for a long time in the future.
THE COAL TRADE BULLETIN. :\l
BRUSH CREEK COAL FIELDS.
Several months ago the Cumberland Railroad
Co., composed of Pennsylvania capitalists, began
the construction of a line from near Barboursville,
Ky.. into the Brush Creek section, and this railroad,
now nearly completed, will open up that section
for commercial purposes. The new line,
which is a common carrier, is ten miles in extent,
and is built for the heaviest traffic, being better
than the average railroad in this country. The
conipany has just amended its charter to permit
the construction of an extension to Jellico, on the
Kentucky-Tennessee line, and if the 17 miles necessary
to connect with that point are constructed
the Brush Creek fields will have an outlet in two
directions—connecting with the Louisville & Nashville
system to the north at Birboursville and the
Southern and Louisville & Nashville lines at Jellico
on the south.
Although it will probably be two months before
the Cumberland railroad is open for traffic its
entire length, there has been considerable activity
in opening up mines for several months. At the
head of the road the Cumberland Coal Co., composed
of the same capitalists controlling the railroad,
have started the op?ning of mines and are
installing a plant with a view to getting a daily
output of 1,000 tons. This concern owns about
10,000 acres, and at the point of the flrst mining
operations a town is now in course of construction,
planned to be a model of its kind. The
larger houses will have steam heat, there will be
a cold storage plant, electiic lights and telephones
are to be installed, and every modern convenience
arranged. About 500 men are now at work there
building the town and opening up the mines, and
the railroad and coal ventures represent a probable
investment of about $500,000.
Several other conceirs owning or leasing territory
along the new railroad are making openings.
The Bennett Coal Co. is developing coal land along
a branch line one mile in extent, which is being
constructed out from the main line. A modern
mining plant is being installed, and a daily output
of 500 tons will be obtained. Several smaller
coal railroads are now being extended in that
region, one of the most important being that built
by the Ely Jellico Coal Co. to connect with mines
being opened up in the Ely Hollow country. This
line extends out a little over a mile from the
Louisville & Nashville track and will be finished
within 30 days.
Stephen B. Elkins has bought of W. G. Brown.
Jr.. 1.500 acres of coal lying along the Morgantown
& Kingwood pike and extending into Kingwood,
W. Va. This will probanly be developed
soon.