t) in height. Owing to the porosity of the clay cell, the borings of proper parties to apply to or the difficulty of trans- After an examination of the different geometric pro- will very soon become moistened with the alkali; and portation. To such as these, and to those who are of files… … ing them. These pots are highly porous, as is well known, but before they are suitable for service as cells it is necessary that they should be rendered non-porous presence of the alkali, this part of the battery will last in the up:wr part for about one-third of their height, for a reason that…
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