Patent GB-1891-21885
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Brewer & Alexander write, "There are 10 claims to this rambling specification", which includes descriptions of flapping wings, the possible use of a propeller, and tubes for generating steam.
Abridgments Class 123, for steam generators, treats only on the "Aeronautical Boilers" part of the invention:
A large number of bent water-tubes of small diameter are arranged in the form of an inverted cone round the furnace or lamp. The tops and bottoms of the tubes are connected. Or a single helical tube or set of concentric helical tubes may be used. The whole is enclosed in a rectangular case, and a superheater is attached.
Sources
- Brewer and Alexander, 1893, Aeronautics
- Neilson, 1910, p72
- Abridgment of patent specifications 1889–1992, Class 123, p. 171; and Class 4, p. 19
| Year filed | 1891 |
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| Year granted | |
| Office | GB |
| Patent number | 21885 |
| Inventors | Henry Middleton |
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| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Flying machines |
| English title | Flying machines |
| Tech fields | propulsion, propeller, flapping, steam |
| Filing date | December 15, 1891 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | Yes |
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| Supplementary to patent | |
| Related to aircraft? | Yes |
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| National tech categories | GB 123 aero steam generators, GB 4 without buoyant |
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| Family year | 1891 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
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