corrigendum : purchase of laboratory consumables for eced - resistor :- (all values are in ohm, 0.25w, cfr) 10, 12,15, 18, 22,27, 33, 39,47,56,68,82,100, 120,150,180, 220,270, 330, 390,470,560,680, 820. (24 items)., resistor :- (all values are in kilo ohm,0.25w,cfr) 1,,2.2,2.7,3.3,3.9,4.7,5.6,6.8,8.2,10,12,15,18,22,27,33,39,47,56,68,82,100,120,150,180, 220,270, 330, 390, 470,560,680,820. (33 items)., variable resistor:- (potentio meter, linear, 16mm) 100,470 (all values in ohm) (2 items), varia.....