FOOTNOTES:

[1]
[Sidenote: Why are uninhabited rooms shut up?]

The common idea as to uninhabited rooms is, that they may safely be left
with doors, windows, shutters, and chimney-board, all closed--
hermetically sealed if possible--to keep out the dust, it is said; and
that no harm will happen if the room is but opened a short hour before
the inmates are put in. I have often been asked the question for
uninhabited rooms.--But when ought the windows to be opened? The answer
is--When ought they to be shut?

[2]
It is very desirable that the windows in a sick room should be such that
the patient shall, if he can move about, be able to open and shut them
easily himself. In fact, the sick room is very seldom kept aired if this
is not the case--so very few people have any perception of what is a
healthy atmosphere for the sick. The sick man often says, "This room
where I spend 22 hours out of the 24, is fresher than the other where I
only spend 2. Because here I can manage the windows myself." And it is
true.

[3]
[Sidenote: An air-test of essential consequence.]

Dr. Angus Smith's air test, if it could be made of simpler application,
would be invaluable to use in every sleeping and sick room. Just as
without the use of a thermometer no nurse should ever put a patient into