Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 302
cigar-shaped ends, 144 feet long,and 40 feet in diameter, having a cubic content of88,000 cubic feet. The car was suspended from arod 66 feet long which hung from the net coveringthe gas-bag. It was equipped with a 3-horse-powersteam engine which turned a two-bladed screw pro-peller 11 feet in… … The first Giffard dirigible. proved a success^ travelling at the rate of nearly 6miles an hour. Giffard built a second airship in 1855, of a muchmore elongated shape—235 feet long and 33 feet indiameter. He used the same engine which propelledhis first ship. After a successful trial trip, whenabout…
Aeronautics
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