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Hoffman Electrolysis

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#500 Electrolysis, Hoffman. Graduated arms 19" in length with stopcocks at the top make it possible for both qualitative and quantitive measurement of the effect of electric current on liquid.  Supplied with Support Stand, Burette Clamp, Platinum Electrodes and Instructions.  Graduated to 50ml in 0.2ml subdivisions.  Overall height is about 32".