File:Review of reviews and world's work (1890) (14783557005).jpg

Identifier: reviewofreviewsw40newy (find matches)
Title: Review of reviews and world's work
Year: 1890 (1890s)
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Publisher: New York Review of Reviews Corp
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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according to the sizes ofthe ships then designed. The cylindricalhull was fashioned on straight lines, becausepractice proved that straight lines in an air-ship gave greatei; speed and stability in theair than curves; the craft was easier and lessexpensive to construct, since the front andrear halves were exactly alike. The lengthsof the hull were limited to 410 and 445 feetin the sizes that have been constructed, thusavoiding danger of dis-locating the skeleton,which has a buoyancy of12 to 14 tons. Thereare seventeen drum-shapedcompartments inside thealuminum skeleton, whichis built of many octagonmetal rings joined byheavy wire cables and amass of lighter bracing.A weatherproof skin orenvelope of the toughestballoon cloth encases thisskeleton. Each gas-com-partment is entirely sepa-rate and is inflated inde-pendently, like the water-tight compartments of theocean liner; if one or more^^■^^- of these compartments in the rear.) burst or were perforated THE DIRIGIBLE OF TO-DAY. r,7r,
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ZEPPEUN III. AND PARSEVAL OVER THE CITY HALL OF FFIANKFORT-ON-THE-MAIN.GERMANY. by a missile the chambers remaining intactwould prevent the ship from sinking untilballast could be cast overboard, thus restor-ing the lost buoyancy. A remarkable confirmation of preciselysuch an accident was seen in what hap-pened to the Zeppelin III. and La Repub-lique in September; it reveals the action ofthe rigid and non-rigid dirigible in case ofthe same mishap during either war or peace.With the bursting of La Republiques pro-peller, one of its flying blades passed likea missile through the hull. What happenedwas practically an explosion. The internalpressure of the air balloonets on the singleenvelope holding the gas tore the wound largerthan the puncture made by the blade; the en-tire volume of gas blew off like steam from abursting boiler, instantly leaving the heavycar and frame stomach without any support.It crashed to earth like a rock. At the timeof the accident the ship was so low (300 feet

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