Appareil propre e la direction des aerostats plans annexes e
Appareil propre e la direction des aerostats plans annexes e la demande d'un brevet pour une duree de 15 ans. Patent drawing submitted by Sourbieu and Pradel shows two views of an apparatus for steering or controlling the direction of balloons by hand-cranking a series of four rotating sails. (Source: AG Renstrom, LC staff, 1981-82). Date 1852
Picture No
10598247
Media ID
47447169
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3506px x 2349px
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Credit
Mary Evans / Library of Congress
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Aerostats Annexes Balloonists Brevet Controlling Cranking D Un Patent Pour Renstrom Rotating Sails Source Steering Submitted Tissandier
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