58с

1940г

1-blfl 3K3. j

THE AIRCRAFT PROPELLER_

PRINCIPLES, MAINTENANCE AND SERVICING

With Sketches by the Author

By

RICHARD MARKEY, M.T.Ae.Sc.

Vought-Sikorsky Aircraft

V)/ Itl CÜ

PITMAN PUBLISHING CORPORATION

S» NEW YORK CHICAGO