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Scientific American, Vol. 39, No. 25 (1878) (1878)

leaf 2

An illustration from Scientific American, Vol. 39, No. 25 (1878), 1878, leaf 2
r obed’t servant, , better insertion of gold that would be unnecessary for amal- ona point of such vital importance would be a professional JOHN HAMMES, disgrace, were it not forthe circumstance that the human ‘gam. Any one with strong masticating organs can ‘chew up’ a gold coin; so, the most… … Fig. 3._APPEARANCE OF a composition approximating dentine and enamel in physi- professional brother before accepting the teaching and adopt- cal properties, with the abiiity of pure gold to withstand ing the practice of this new departure, to reflect a moment (As described byMr. Hammes.) (As…

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