olution of sodium carbonate con- tion, a light flashes up so that the taining finely divided indigo in operator on ship or shore can fol- suspension having proved unsuc- low the torpedo's behavior. Five cessful, the failure was attributed seconds are always allowed him to to the possible… … worth to-day $,75._, The 5-cent sur- hours are required for the reduc- charge on the unused 1-milesima tion of 1 pound of indigo. WIBELEBSLY-CONTBOLLED TOBFEDO, WITS FLOAT AT THE SURFACE.
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