Notes on rigging for air mechanics. 
Army Air Service, 1917. 
 - Washington,  Govt. Print. Off.,  1918. 
 - 39 p.  diagrs.  15 cm. 
<br/><br/> Cover-title. 
<br/><br/><label>LCCN: </label>war21000053  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airplanes.
<br/><br/><label>LC Class. No.: </label>TL671  / .U6 1917