Wind channel tests of slot and aileron control on a wing of R.A.F. 15 section /
Great Britain.Aeronautical Research Committee,issuing body.
Great Britain.His Majesty's Stationery Office.
"Ae. 214".
"November, 1925".
Part I. When the central portion of the wing is R.A.F. 15. -- part II. When the central portion of the wing is slotted and fitted with a flap.