Five Weeks in a Balloon - 7 book and story is written by Jules Verne in English . This story is getting good reader response on Matrubharti app and web since it is published free to read for all readers online. Five Weeks in a Balloon - 7 is also popular in Adventure Stories in English and it is receiving from online readers very fast. Signup now to get access to this story.
Five Weeks in a Balloon - 7
by Jules Verne 
in
English Adventure Stories
Description
Chapter 7 Geometrical Details.—Calculation of the Capacity of the Balloon.—The Double Receptacle.—The Covering.—The Car.—The Mysterious Apparatus. —The Provisions and Stores.—The Final Summing up. Dr. Ferguson had long been engaged upon the details of his expedition. It is easy to comprehend that the balloon —that marvellous vehicle which was to convey him through the air—was the constant object of his solicitude. At the outset, in order not to give the balloon too ponderous dimensions, he had decided to fill it with hydrogen gas, which is fourteen and a half times lighter than common air. The pro-duction of this gas is easy,
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