Lyon Thoburn C. <br/><br/>
Practical air navigation 

 - 2nd 
 -  1946 
<br/><br/><label>Standard No.: </label>32212 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INDUSTRIAL ARTS
<br/><br/><label>Dewey Class. No.: </label>MD53, H6   close sec