al vacuum Is produced, corative plants are arranged In flat square pans of zinc or earthenware, as shown In oar sectional sketch (Fig. 2), and because, although the injected solution may be of higher of water would, of course, be required in any case, but this would not lead to much inconvenience,… … economy, as the heat expended in re-evaporating the steam plants, etc., would not be so great as they might at first sight condensed in the caustic solution (so as to keep the latter at appear. This, however, seems a case to which the principle Fig. 2.—SECTION OP PLANT CASE. of co-operation might…
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