Atkinson, Philip. [from old catalog] · New York, The Century co. · leaf 85
ch the gas escapesrapidly into the air. In Fig. 19 is shown a double car-bon cylinder, a small cylinder being inclosed within alarger one, giving a proportionally greater extent of car-bon surface, which is used in a similar cell of this kind. The Law cell belongs to a class known as sal-ammoniac… … quart cell about two-thirds full. As sal-ammoniac containsno oxygen to unitewith the hydrogen, it does not assist in depolarization,which is therefore effected, in this cell, by the roughcarbon surface only. It is claimed that there is no chemical action in any well-constructed sal-ammoniac cell,…
Electricity
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