Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 320
much greater thanthe pressure at tlie rear end, or even than that amid-ships. It was this uneven pressure upon the outsideof the gas-bag that doubled up the first two airshipsof Santos-Dumont, and led him to increase the pro-portional girth at the amidship section in his laterdirigibles. The great… … 320 BALLOONS: THE DIRIGIBLE, couraged its designer that lie decided to withdrawfrom further aeronautical work. But the GermanGovernment prevailed on him to continue, and byOctober, 1906, he had the Zeppelin III in the air.This airship was larger than Zeppelin II in bothlength and diameter, and held…
Aeronautics
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