davidaulloa/AmericanStories huggingface dataset:
Crawford avalanche. (Grayling, Mich.) 1879-19??, 1896-09-10

40, 236 feet down, is an open book to
the scientist. and the electrician can
locate a break 500 miles away. and can
determine faulty action ut any desired
point between two continents.
The core Of a submarine cable Is
made OF strand of copper wires. about
which, TO prevent the escape OF cleo
tricity, is covering first of gutta
perclia. around which is a layer Of
tanned jute yarn to protect 1t from the
sheathing Of steel wires, which in turn
holds the cable in a solid mass, and
over this jute yarn again surrounded
with bitumnous compound. The
sheathlng varies In type, with the depth
OF the water in which the cable is to be
lail, consisting often of as many as
seven types, increasing in strength and
protectivepower as shallow water Is APP
preached. While the core is the same
throughout,Sthe deep sea type has a
sheathing of many small fSAel wires,
the wires becoming gradually larger as
shallow water is neared. and finally, at
the shore end, it is sheathed again with
strands. each made up of three steel
wires. 1t requires a great deal Of ac-
curate knowledge to get these thick
nesses ut the precise places. Thus,
when the cable Is finished. before it has
been started on it's voyage. the one who
has made it, or directed its making.
knows precisely where every part of it
will go-where this thick portion will
lie over some midocean mountain, or
that smaller section will lie peacefully
In some quiet valley so deep that not
even n glimmer from the suns rays
ever shall reach 1t, or a movement Of
the waters disturb 1t.
In the strictly mechanical work of
making a cable the copper wires for the