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Fig. 1. Electrolyser in Situ.
Shewing elevated tank and glass-gauge containing solution of sodium chloride aud
magnesium chloride, which solution is transmitted through small ball valve cistern
fitted with glass-gauge (shewn on left top of platform) to the four electrolysers (shewn
on stage) and thence to carboys. The large tank has a mixer inside, consisting of a
flat drilled piece of galvanised iron, operated from ground level by a pulley (at
right of stage). On the left-hand side of Electrolysers is jar containing solution of
sodium hydroxide which drips automatically into funnel in carboy during filling of
carboy with the electrolysed fluid. A thermometer is suspended in the small supply
tank and in the last electrolyser. The special carboys are shewn with the improved
stirrer, and on the right is seen stirrer which is used in carboys when filled.