Humbbard, T, O`B. . <br/><br/>
The Aeroplane: An Elementary Text-Book of the Principles of Dynamic Flight /  Textual Documents 
T, O`B. Humbbard, J.H.Lederboer & C.C.Turner. 
 - 1st ed. / 
 - New York :  Longmans Green & Co ,  1911. 
 - 127p. ;  18cm. 
<br/><br/><label>Subjects--Index Terms: </label>Physics Aeroplane G-Physics 
<br/><br/><label>Dewey Class. No.: </label>533.6  / H 861 Ae