NASA  / TN D-2254 <br/>
Davenport,Edwin E <br/>
       TRANSITION CHARACTERISTICS OF A VTOL AIRCRAFT POWERED BY FOUR DUCTED TANDEM PROPELLERS 
 / 
 .-  Nasa, Washington, D.C.,  1964 
 .- 55 . 
<br/>Bound With Nasa Tn D-2251-2253,2255-2260 
<br/><U>Author Added Entry: </u><br/>Spreemann,Kenneth P;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR13795</b>, Full Call No.: NASA TN D-2254,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>