AA new vertical-lantern galvanometerA new vertical-lantern galvanometerde George F. BarkerEdiciones (1)A new vertical-lantern galvanometer (1875)inglésMás obras de George F. BarkerRöntgen raysA text-book of elementary chemistry, theoretical and inorganicBBiographical memoir of Matthew Carey Lea, 1823-1897Biographical memoir of Matthew Carey Lea, 1823-1897
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