A NEW ELECTRIC CURRENT REGULATOR. HAWKER'S ELECTRIC CURRENT REGULATOR. Celebration of Niagara's Electric Power. A Sixth Century Copyright Suit. A CONVENIENT HOUSEHOLD REFRIGERATOR. BELL'S HOUSEHOLD REFRIGERATOR. RECENT IRRIGATION WORK ON THE NAVAHO RESER VATION. BY COSMOS MINDELEFF. IRRIGATION WORE NAVAHO RESERVATION., scientific american, 1897-01-23

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