sentences:  The earliest photographs unearthed so far of Watson's No.2 machine in flight are dated from 1912, although Watson carried out successful flying trials throughout August and September 1910.Constructed from bamboo with its flying surfaces covered in canvas like his first aeroplane, Watson's No.2 was structurally similar to its predecessor, which lends credence to the fact that Watson's first rocking wing aircraft did not fly.The two aircraft shared the same dimensions, wing plan and box kite tail surfaces, although the "A" frame centre section of the No.2 differed slightly from the No.1 in bracing details.