Reciprocating Sliding DN 44 DRY & LUBRICATED RECIPROCATING SLIDING & FRETTING MACHINE DN 55 HIGH TEMPERATURE DRY SLIDING & FRETTING MACHINE TE 39 JOURNAL BEARING FRICTION RIG TE 60 HIGH PRESSURE HYDROGEN RECIPROCATING TRIBOMETER TE 67 MICROPROCESSOR CONTROLLED PIN ON DISC MACHINE TE 76 TWO STATION RECIPROCATING VACUUM TRIBOMETER TE 77 HIGH FREQUENCY FRICTION MACHINE TE 108 POLYMER PRODUCTION TEST