Helicopters military, civilian and rescue rotorcraft
The helicopter has been aptly described as 'the toy that grew up'. It really did begin as a toy, for the first really successful helicopter was a model made by two Frenchmen in the eighteenth century. It comprised two sets of blades which rotated under the power of an unwinding string, and...
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| Format: | Book |
| Language: | English |
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London, UK
Grange Books
2005
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| Series: | The aviation factfile
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| Subjects: | |
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Perpustakaan Jeneral Tun Ibrahim
| Copy | On Shelf |
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