Electrophorus - Demonstration, Comprises a thick plastic base with four rubber feet alongwith with 18 cm diameter aluminium plate with an insulating handle. Produce a strong spark repeatedly, without recharging. 18 cm diameter aluminum plate
Flask Volumetric with Glass Stopper Class - B, 25 ml, Borosilicate glass graduation mark, fitted with solid glass stopper, in compliance with ASTM-E288 standard.