Controllability at low speeds and full scale measurement of lift and drag of Parnall "Peto" fitted with R.A.F. 15 and R.A.F. 31 section wings : (slotted and unslotted) /
Great Britain.Aeronautical Research Committee,issuing body.
Great Britain.His Majesty's Stationery Office.
"Ae. 456."
"January, 1930".