nowledge of such an hibited a series of interesting acoustic apparatus. Among industry until its attention jwas invited by the publication up hosts of enemies in the persons whose methods they pro- these there was one called by the inventor an electro magne- pose to supersede. Envy, malice, and… … of the new product, discontinued its use to a great extent, the hydraulic engine and the diving l)ell, though the flying THE ELECTRO-MAGNETOPHONE. machine yet remains to be invented: " I will now," says the certainly in all their better productions; the brewers, who friar, "mention some of the…
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