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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Aeroplanes and Dirigibles of War by Frederick A. Talbot: favourable point of the compass according to the wind.
In the field, however, such practices are impossible, and the
issue in this connection has been overcome by recourse to what
may be termed portable harbours. They resemble the tents of
peripatetic circuses and travelling exhibitions. There is a
network of vertical steel members which may be set with facility
and speed and which are stayed by means of wire guys. At the top
of the outer vertical posts pulleys are provided whereby the
outer skin or canvas forming the walls may be hauled into
position, while at the apex of the roof further pulleys ensure
the proper placing of the roofing. The airship is able to enter
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