These
embankments, as already stated, extend over a space of nearly six miles,
and represent a mass of work to which there is no counterpart in the
Suez Canal; nor does the plan of the new Manchester Canal present
anything equivalent to it. The width of this canal also far exceeds any
of those notable undertakings. The open channel is, as stated above, 350
ft. wide; within the embankments the full depth of 22 ft. extends to 280
ft., and the surface between the embankments is 700 ft. This is nearly
twice the size of the Suez Canal at the surface, which is 100 meters,
or about 320 ft., while it is only about 75 ft. at the bottom; the
Amsterdam Canal is 78 ft. wide. The new Manchester Canal is to be 100
ft. of full depth, and it boasts of this superiority over the great work
of Lesseps. The figures given above will show how far short it comes of
the dimensions of the St. Petersburg Canal. The Manchester Canal is to
be 24 ft. in depth; in that it has the advantage of 2 ft. more than the
St. Petersburg Canal; but with the ample width this one possesses, this,
or even a greater depth, can be given if it should be found necessary.
Most probably this will have ultimately to be done, for ocean going
steamers are rapidly increasing in size since the St.
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