Mercanton undertook photometric an American, Mr. Richard Fleming, on the other. marine with ice-breaking steamers of more pretentious- measurements for various carbons and different direc- Quite independently of these' researches (of which size than, the small craft of this type that had been tions… … the arc is produced by virtue of elec- The "Ermack" is 335 feet in trodynamic forces. Regulation is ef- A THREE-PHASE ELECTRIC ARC. length, 71 feet beam, and with her fected by hand, and consists in in- coal and stores on board has about 8,000 tons displace- From the results recorded, it is shown…
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