2268 résultats

'It is worthless when done" : despite Wilbur Wright's pessimism, some key pioneers proved the centuries-old concept behind helicopters held real value in powered flight's first century

Catalogue of the mean declination of 2018 stars between 0h to 2h and 12h to 24h right ascension and 10° and 70° of North declination for January 1875

Combat success : orders for major military aircraft manufacturers are buoyant, but long-term prospects are not so bright as defence budget increases are going on network-warfare technologies and operations

Papers read at the twenty-fourth session of the Institution of Naval Architects, march 14, 15 and 16, 1883, the Right Honourable the Earl of Ravensworth president of the Institution in the chair

Is corporate aviation pulling its weight ? : the commercial airline industry in the US accuses general aviation of not paying its fair share in user fees

Jubilee jet : or how Hawker Siddeley is celebrating a Royal occasion right royally with the newest version of its HS.125 biz-jet, the fan-engined Series 700

The right sort of bombs : the USAF is going back to the future with air policing in Iraq and the UK may be missing a useful weapon from its armoury

The AB139 filling the market gap : Bell/Agusta got it right with the design of the AB139, it is another strong performer from Italy aimed at a well-thought-out market niche

Mémoire du duc de Rovigo, sur la mort de Pichegru, du capitaine Wright, de M. Bathurst, et sur quelques autres circonstances de sa vie

Mémoire du duc de Rovigo sur la mort de Pichegru, du capitaine Wright, de M. Bathurst, et sur quelques autres circonstances de sa vie