Zalovcik, John A.
naca-tn-2676
1952
Principles involved in the operation of stall-warning devices are described and conditions under which difficulty may be exerienced are pointed out. Some specific examples of stall-warning devices are illustrated and described.
An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1952/naca-tn-2676.pdf