Title: Use of geared spring tabs for elevator control
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF003617535&ix=nu&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF003617535&ix=nu&I=0&V=D&pm=1</a>
Subjects: Airplanes--Wings--Testing, Elevators (Airplanes, Aerodynamics--Research.