The discharge of earth is effected by an ordinary pull-up similar to
that used in the water-closet, or (in the self-acting apparatus) by
the rising of the seat when the weight of the person is removed.
The vault or pan under the seat is so arranged that the accumulation
may be removed at pleasure.
From the moment when the earth is discharged, and the evacuation is
covered, all offensive exhalation entirely ceases. Under certain
circumstances, there may be, at times, a slight odor as of guano mixed
with earth; but this is so trifling and so local, that a commode
arranged on this plan may, without the least annoyance, be kept in use
in any room.
This statement is made as the result of personal experience. Mr. Waring
says:
"I have in constant use in a room in my house an earth-closet commode;
and even when the pan is entirely full, with the accumulation of a
week's use, visitors examining it invariably say, with some surprise,
'You don't mean that this particular one has been used!'"
HOW TO MAKE AN EARTH-CLOSET.
The principle on which the earth-closet is based is as free to all as
is the earth itself, and any person may adopt his own method of applying
it.
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