Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 155
the entire balloon and its cargo. When the aeronaut finds that he does not ascend fast enough, heincreases the ascensional force by emptying one or more of the sand (142.) With what are balloon* jIUed ? Explain the method of filling a balloon.How is the ascensional power regulated t 152 roruLAit… … ^S^J.OUAEtLEv.= Fig. 105. To render the descent less difficult, the aeronaut is provided withan anchor or grapple, suspended from a cord, by means of which hecan seize upon some terrestrial object when he comes near the earth.When the anchor is made fast, the aeronaut draws down the balloonby…
Physics
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