NACA  / TM-470 <br/>
Wieselsberger,C <br/>
       ON IMPROVEMENT OF AIR FLOW IN WIND TUNNELS . 
 / 
 .-  Naca, Washington,  1928 
 .- 40 . 
<br/>Bpund With Naca Tm-455,465. 
<br><U>Copy Details:</u><br> Acc. No.: <b>TR13380</b>, Full Call No.: NACA TM-470,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>