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before referred to this special question, I would suggest
that the fact be borne seriously in mind.
Also that every Gulley that is built gradually involves
a danger little thought of, and that is the general question
of
VENTILATION OF SEWERS,
On this subject much has been written, more has been
said, and more thought of, and is still in embryo.
The Sewers of St. James's were mostly constructed
to carry off Surface Water only, no House Drains being
allowed under heavy penalties to be connected with them,
Cesspools being the recognized order of the day. Times
having changed, they are called upon to do work never
contemplated at the first, so that the gradual variation has
led to the public spread of "smells," so to speak, that
were formerly confined to the houses. No data being
known upon which to arrive at the results of either system,
we now have to face the existing facts.
As to any definite plan of "Ventilating" the complicated
lines of Sewerage, no ingenuity has, as far as I
know, accomplished it,