Annotation in John Duigan's hand on obverse states : "January 25th 1911 at Mia Mia Wind has blown wheels round. Machine just rising (not previously published)" also " Mr Duigan Note the aileron positions to counteact side wind & engine turning moment."

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John Duigan taking off in his biplane, Spring Plains, Mia Mia, 1910-11. The biplane is in modified form with wingtip ailerons and rear elevator tab. The steep angle reflects the sensitive elevator control.

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