The glass unit has two connected limbs, integral with reservoir tube and funnel shaped bulb, with a stopcock at the top of each side limb. 
The electrodes, available separately, are mounted in rubber stopper for insertion into the open ends of the Voltameter limbs. 
Pair of Carbon electrodes with brass terminals, fitted with rubber stoppers, approx 6mm dia x 100mm long in protection tubes. 
Metal stand with mounts, for giving support to voltmeter glass unit. 
Pair of platinum electrodes fused in glass tubes, fitted with rubber stoppers and protection tubes.
Used on 12 V D.C. supply. 

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Hoffman Voltameter

SKU: SL-209