`• o i] tc, 1 Lfl tot 1 t (ii tor taw trim SHIPBUILDING & ENGINEERING EDITION
... varying conditions. As an example, consider a vessel :iOO feet long by•4o feet. iii diameter, a fair assumption for a large Zeppelin. The•volitme of the gas hag i, something over 600,000 cubic feet, with a corresponding displacement of about 20 tons at normal ...