| Aircraft propeller |
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| Dating | 18 November 1938 |  |
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| The device is described as a backwash air ring with propeller. The ring has been lost so it is impossible to exactly figure out the complete form of the instrument. It might probably be an example of a turbofan. The headmaster that arrived just a year before, Luigi Sante Da Rios, deposited a patent on this type of propulsion propeller for airplanes so as to be affectionately called Professor pipe. |
| Web page | Aircraft propeller |
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| Cataloghi | Nº | Voce |
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| Inv. 2016 | 158 | Aircraft propeller Provisional numbering! |
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| Inv. 1870 | 949 | Anello di risucchio con elica aerea |
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| Section | Mechanics |
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| Window | Non esposto |
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| Conditions | | Incomplete | | Working P | | Intact |
| | Large | 40.0 cm (15.7 in) |
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| Width | 4.0 cm (1.6 in) |
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| Height | 3.0 cm (1.2 in) |
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| Materials |
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| Sources |
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Bernardi G., Apparecchi di fisica, III Edizione, Ditta Prof. Gaetano Bernardi, Tranto, 1931, pag. 12, fig. 6754
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| The additional indications which integrate the items of the conservation's state have the following meaning:
(?) = maybe complete; M = maintenance; P = partial; R = restored; D = used for teaching; NC = not checked; X = impossible to verify. |