The achievement of a great result by patient work is the best
possible object lesson for struggling humanity, for the results of
genius, however admirable, can rarely be instructive. The chief of
the Scientific Staff sets an example which is more potent than any
other factor in maintaining that bond of good fellowship which is
the marked and beneficent characteristic of our community.
CHAPTER XI
To Midwinter Day
_Thursday, June_ 1.--The wind blew hard all night, gusts arising to
72 m.p.h.; the anemometer choked five times--temperature +9 deg.. It is
still blowing this morning. Incidentally we have found that these
heavy winds react very conveniently on our ventilating system. A fire
is always a good ventilator, ensuring the circulation of inside air and
the indraught of fresh air; its defect as a ventilator lies in the low
level at which it extracts inside air. Our ventilating system utilises
the normal fire draught, but also by suitable holes in the funnelling
causes the same draught to extract foul air at higher levels. I think
this is the first time such a system has been used. It is a bold step
to make holes in the funnelling as obviously any uncertainty of draught
might fill the hut with smoke. Since this does not happen with us it
follows that there is always strong suction through our stovepipes,
and this is achieved by their exceptionally large dimensions and by
the length of the outer chimney pipe.
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