Boys from Haarlem drew a ''secret'' picture of a British airplane

Alarming reports of espionage appeared in the British press: the construction secrets of one of Britain's newest jet fighters, the Vickers Supermarine "Swift", had been leaked and published in a Swiss aviation magazine. However, two 23-year-old twin brothers from Haarlem, Robert and Rudolf Das, appear to have made the drawings on the basis of previously disclosed and published data. SHOTS: - Engli…