Heslin, Thomas M. <br/>
       The effect of various gases on the thermionic emission of tantalum wire filaments [NASA TN D-5850] 
 / Thomas m. Heslin, John J. Park and Edward L. Sanford  
 .- Washington, D.C.: Nasa,  1970 
 .- 10p . 
.- ( National Aeronautics and space Administration (NASA)   
<br/>Bound With Nasa Tn D- 5841-5849 
<br/><u>Subject Headings:</u> <br/>Wire Filaments;
<br/><U>Author Added Entry: </u><br/>Park, John J.;<br/>Sanford Edward L.;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR14558 [ TN D-5850]</b>, Full Call No.: ,   Item type:  Technical Report , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>