NASA  / TN D-3942 - <br/>
Ludwig,Lawrence P <br/>
       IMPROVING PERFORMANCE OF FACE CONTACT SEAL IN LIQUID SODIUM (400(DEGREE) TO 1000(DEGREE) F) BY INCORPORATION OF SPIRAL-GROOVE GEOMETRY 
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 .-  Nasa, Washington, D.C.,  1967 
 .- 37 . 
<br/>Bound With Nasa Tn D-3941-50 
<br><U>Copy Details:</u><br> Acc. No.: <b>TR9137</b>, Full Call No.: NASA TN D-3942 -,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>