Dynamic Friction TE 56 MULTI-STATION BLOCK ON RING MACHINE TE 60 HIGH PRESSURE HYDROGEN RECIPROCATING TRIBOMETER TE 77 HIGH FREQUENCY FRICTION MACHINE TE 88P THREE STATION PIN ON DISC TE 88R THREE STATION RECIPROCATING PIN ON PLATE TE 101 SIX STATION JOURNAL BEARING TEST MACHINE TE 102 HIGH SPEED RECIPROCATING MACHINE TE 104 HIGH SPEED RECIPROCATING MACHINE