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Tag "50 Years Ago"
50 Years Ago in… Scientific American (May, 1938)

“The improvements in the phonograph have now been carried to such a degree of perfection that the instrument is practically ready for general introduction.”

50 Years Ago in… Scientific American

(Condensed From Issues of May, 1888)

COAL IN THE MAKING—”During the late violent storms in the Channel the sea washed through a high and hard sand hank near the Isle of St. Malo, France, nearly four meters thick, laying hare a portion of an ancient forest which was already passing into the condition of coal.”

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