es hydrogen at the nega- chromium, which remains tive plate, and the hydrogen in solution. rapidly reduces the power of In the gravity battery the the battery in the manner action is the same as that of explained in the former pa- the Daniell. The sulphate per. In Smee’s battery the of zinc formed… … stirrers, controlled by an electro-maguet of high resistance ie — s+ Oe in a derived circuit. This magnet absorbs but an exceed- The Citadel Park of Barcelona. SODIUM BATTERY. ingly small proportion of the current, and has only sufficient | Marked indications of the growing revival of enterprise…
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