Bell's tetrahedral kite shown on the preceding page and a 408-cell Model of the huge 1300-cell man-carrying CHANGES AND IMPROVEMENTS IN THE EDISON NICKEL-IRON STORAGE CELL. THE IMPROVED EDISON STORAGE CELL. Electrical Notes., scientific american, 1906-01-27


Bell's tetrahedral kite shown on the preceding page and a 408-cell Model of the huge 1300-cell man-carrying CHANGES AND IMPROVEMENTS IN THE EDISON NICKEL-IRON STORAGE CELL. THE IMPROVED EDISON STORAGE CELL. Electrical Notes., scientific american, 1906-01-27


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