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Show A scientific woman baa been ex- t perimenting with tempered glass. 0 "She furnished twelve gas burners c with tempered glass globes.--On tho night of tho 6th of October, after the e gas had been extinguished for exactly ex-actly an hour, one of the globes burst ,8 with a report and fell in pieces on the r floor. ' The pieces, which were found i to j be perfectly cold, were two or three inchea long and about an inch J wide.. They contiuued, for an hour or more, splitting up aud subdividing 1 into smaller and still smaller fragments, frag-ments, each split being accompanied by a slight report, till at length there was not (eft a fagrment larger than a hazzlenut." , , 1 |