12:15
Frank and Williams , leaving Jefferson at the wheel and ordering the engines stopped , sprang on deck , carrying two small packages each . These , bound in little tin boxes , were the deadly mines . `` One off here , Williams , '' said Frank , putting one on deck and glancing at his watch . The hands showed 12:15 . `` We 'll have to work fast , '' said Frank . Quickly Frank dropped one of the mines over the port side of the vessel , aft . Williams followed suit to starboard , forward .