TR  / TPR-119 <br/>
Charles T. Chislaghi <br/>
       Field test of an automated temporary roof support (arts) on a low-coal,single fixed-head roof-balting machine(squirmer) 
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<br/><U>Author Added Entry: </u><br/>Thomas E. Marshall;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR1164</b>, Full Call No.: TR TPR-119,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>