The daily morning journal and courier. [volume] (New Haven, Conn.) 1894-1907, 1895-07-24

nue.,
Steam is supplied from two Babeool1
a. Wilcox water tube boilers to the
horizontal crossvoompound $50 horse
power Allls-Corliss machines. To each
Of the engines Is coupled General
Electric 400 XIV, dynamo OF standard
construction, but wound for $50 volts
Instead Of 500 volts, as is the usual
practice In railway work. This ma
chine Is placed between the high and
low pressure sides of the engines.
From the generators the cables run
to the switchboard and thence to q
subway under the sidewalk on 146th
street, extending as far as Lenox ave-
nue., where they are introduced into
the five-inoh iron pipes running par
allel with the conduit. For the pres
emit the line will be operated directly
from the power house. but feed wires
will probably be placed in the pipes
and will probably be Joined to the con-
ductor at the necessary points, and the
line will then be divided up into sec
tons.
The construction of the Underground
contact system is simplicity itself. The
plough suspended from the car truck
presses through the slot in the center
of the track and presses against the
fiat surfaces of two iron conductors
running the entire length of the con-
duit. These conductors are placed
each three inches on each side away
from the center of the slot to avoid
deleterious effects of any drip which
would otherwise reach them, and are
of camel iron four inches deep and
t,.fx a
from the ceiling of the conduit by
means of insulators devised for this
especial purpose, and are at depth
thirteen inches below the conduit slot.
Each conductor is sufficiently rigid
to require suspension at the ends and
centers only. The ends are located in
the manholes and hand holes are placed
at the centres, inspection and repair
are thus rendered comparatively easy.
A modification of this system of sus-
pension of the conductors is introduced
for a length of about one hundred yards
Of single track on 116th street, between
LenoX and Seventh avenues. At the
manholes, instead of insulators sus-
pended from the ceiling of the conduit,
the conductors are supported by
soapstone pillar, provided with an iron
cap furnished with brackets. to which
the conductors are bolted, and continu-
Gus connection is secured by means of
a bond of fiat copper strips riveted to
the webs. The soapstone blocks are
set in iron bases erected in the man
holes.
Every twelfth manhole is connected
with the power house by telephone.
Quick break electric switches are To-
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