Lesson[s] 
[by] Robert L. Rockwell. 
 - Dayton, O.,  The Dayton school of aviation  [c1929] 
 - 60 pt. in 1 v.  illus.  22 cm. 
<br/><br/> Each part paged separately. 
<br/><br/><label>LCCN: </label>ca 30000173  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics.<br/>Airplanes.
<br/><br/><label>LC Class. No.: </label>TL546  / .D3