Supply of Spares For Bomb Calorimeter, 6 O-Ring Nbr 2-3 By 8Id X 1 By 8Cs - 12 Pack Pt No 230A Or Equivalent O-Ring Nbr 3 By 16Id X 1 By 16Cs - 12 Pack Pt No 238A Or Equivalent O-Ring Nbr 7 By 16Id X 1 By 16Cs - 12 Pack Pt No 415A Or Equivalent Capsule Holder Pt No. 906Dd Or Equivalent Tube Assembly Pt No. 6510 Or Equivalent Pulley Str Mtr Pt No.6300-6400 Or Equivalent