Elementary treatise on electric batteries . Fig. 47. which pass through the top, and to which are fastenedthe connections of the adjoining cells. There is no waste in these batteries when the circuit isopen, which is of great advantage. It is important tonote that, in order not to lose this advantage, the top mustbe kept perfectly dry, for the least humidity that mightjoin the electrodes would establish a circuit and producea constant working in the cell. 208 TWO-LIQUID BATTEEIES. CHLOEIDE - OF - LEAD BATTEEY. Marie Davy tried the use of chloride of lead, but theelectro-motive force thus obtai
Elementary treatise on electric batteries . Fig. 47. which pass through the top, and to which are fastenedthe connections of the adjoining cells. There is no waste in these batteries when the circuit isopen, which is of great advantage. It is important tonote that, in order not to lose this advantage, the top mustbe kept perfectly dry, for the least humidity that mightjoin the electrodes would establish a circuit and producea constant working in the cell. 208 TWO-LIQUID BATTEEIES. CHLOEIDE - OF - LEAD BATTEEY. Marie Davy tried the use of chloride of lead, but theelectro-motive force thus obtained was less than the unit(Darnells cell). There is therefore no advantage in itsuse, for chloride of lead is comparatively dear. PEBCHLOBIDE-OF-IBCXN BATTEEY. In 1866 Duchemin proposed the use of perchloride ofiron as depolarizing agent. This substance is pointed outas containing a quantity of chlorine, as are the peroxidesof lead and of manganese, which contain large quantitiesof oxygen. The battery in question has an electrode of zinc i
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