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  2. Vacuum airship - Wikipedia

    en.wikipedia.org/wiki/Vacuum_airship

    A vacuum airship, also known as a vacuum balloon, is a hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen or helium. First proposed by Italian Jesuit priest Francesco Lana de Terzi in 1670, [ 1 ] the vacuum balloon would be the ultimate expression of lifting power per volume displaced.

  3. Francesco Lana de Terzi - Wikipedia

    en.wikipedia.org/wiki/Francesco_Lana_de_Terzi

    Francesco Lana de Terzi's design for a flying boat, 1670 Francesco Lana de Terzi's flying boat concept c.1670. In the year 1670, Francesco Lana de Terzi published a book titled Prodromo, including a chapter titled saggio di alcune invenzioni nuove premesso all'arte maestra ("Essay on new inventions premised on the master art"), which contained the description of a “flying ship”.

  4. Airship - Wikipedia

    en.wikipedia.org/wiki/Airship

    A modern airship, Zeppelin NT D-LZZF in 2010 The LZ 129 Hindenburg was the largest airship ever built and was destroyed in 1937. Dirigible airships compared with related aerostats, from the Brockhaus and Efron Encyclopedic Dictionary, 1890–1907

  5. Category:Airship configurations - Wikipedia

    en.wikipedia.org/wiki/Category:Airship...

    Vacuum airship This page was last edited on 19 March 2013, at 04:46 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...

  6. John Ernst Worrell Keely - Wikipedia

    en.wikipedia.org/wiki/John_Ernst_Worrell_Keely

    John Ernst Worrell Keely (September 3, 1837 – November 18, 1898) was an American fraudster and self-proclaimed inventor from Philadelphia who claimed to have discovered a new motive power which was initially described as "vaporic" or "etheric" force, and later as an unnamed force based on "vibratory sympathy", by which he produced "interatomic ether" from water and air.

  7. Category:Vacuum systems - Wikipedia

    en.wikipedia.org/wiki/Category:Vacuum_systems

    Vacuum airship; This page was last edited on 2 December 2019, at 04:47 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...

  8. Category:Airships - Wikipedia

    en.wikipedia.org/wiki/Category:Airships

    العربية; বাংলা; 閩南語 / Bân-lâm-gú; Беларуская; Български; Чӑвашла; Čeština; Cymraeg; Dansk; Deutsch; Español

  9. Category:Airship technology - Wikipedia

    en.wikipedia.org/wiki/Category:Airship_technology

    Vacuum airship This page was last edited on 28 August 2023, at 16:51 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...