On some applications of electric energy to horticulture and agriculture ; and A contribution to the history of secondary batteries : papers read before Section A of the British Association, at the York Meeting, 1st and 5th September, 1881 / by C. Wm. Siemens.

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On some applications of electric energy to horticulture and agriculture ; and A contribution to the history of secondary batteries : papers read before Section A of the British Association, at the York Meeting, 1st and 5th September, 1881 / by C. Wm. Siemens.