Barber, Horatio, 1875- · New York : R.M. McBride & company · leaf 60
iirof^Rf Vi#iij-a»!l Plate 11. A side-slipping descent. Note the forward movement in the descent. Upon this depends the efficiency of the controls. The ailerons are shown in position for recovery at the bottom of the descent.
Airplanes
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
![An illustration from Royal Air Force. Technical Notes. Aeroplanes M-Z. Rigging Notes [1918, Great Britain] (1918)](https://img.insideoutlibrary.com/img/200/ia-raf-riggingnotes1918-196-0.webp)
