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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: The vessel was of great scientific interest, owing to the
ingenuity of its design and construction. The metallic skeleton
was built up from aluminium and over this was stretched the
fabric of the envelope, care being observed to reduce skin
friction, as well as to achieve impermeability. But it was the
internal arrangement of the gas-lifting balloons which provoked
the greatest concern. The hull was divided into compartments,
each complete in itself, and each containing a small balloon
inflated with hydrogen. It was sub-division as practised in
connection with vessels ploughing the water applied to aerial
craft, the purpose being somewhat the same. As a ship of the
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