s, to frustrate any burglarious enterprise. 1 THE BAFFLE DRILL-PROOF SAFE. rangement for gaging its feed, to regulate the thickness of _—_——— Ot OO An ingenious contrivance has recently been patented by the slices uniformly. On Some Metallic Spectra. Mr. Henry Geering, of Birmingham, England.… … the spark in Li,OCO, at red heat. Two series of measurements flame present waved surfaces, and are so arranged in rela- has shown that a skilled thief, as a rule, by boring a num- gave 412'9 and 413 for the wave length.—Comptes Rendus tion to each other as to form a ziz.zag or serpentine flue, ber…
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