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 by a high stone wall. Its tent-like appearance is due to the fact that, being in a hurry to utilise it, I saw no reason to construct its walls or roof of wood. The framework consists of long rows of parallel wooden pillars. Across their tops is stretched a canvas roof, and the four sides are made of the same striped canvas. This makes a construction stronger than it at first appears, the outside tent stuff weighing some 2600 kilogrammes (5720 lbs.), and being sustained between the pillars by metallic cordage.

Inside, the central stalls are 9$\tfrac{1}{2}$ metres (31 feet) wide, 50 metres (165 feet) long, and 13$\tfrac{1}{2}$ metres (44$\tfrac{1}{2}$ feet) high, affording room for the largest dirigibles without permitting them to come into contact with each other. The great sliding doors are but a repetition of those of Monaco.

When in the spring of 1903 I found my air-ship station completed I had three new air-ships ready to house in it. They were:

My "No. 7." This I call my racing air-ship. It is designed and reserved for important competitions, the mere cost of filling it with hydrogen being more than 3000 francs (£120). It is true that, once filled, it may be kept inflated for a month at the expense of 50 francs (£2) per day