Patent GB-1890-4647

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Airship with ascension controlled by pumping and compressing gas from aerostat into separate aluminum vessel, or vice versa.

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Year filed 1890
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Office GB
Patent number 4647
Inventors Josef Radotinsky
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Original title Balloon
English title Balloon
Tech fields LTA, balloon, whole, rudder, propeller, gas, pressure, ballonet
Filing date 1890-03-25
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Granted? 1
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Related to aircraft? Yes
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Family year 1890
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