twelve o'clock sharp
`` How much freight will you carry on them ? '' `` Six hundred pounds , and not a pound more for anybody , '' was the quick reply . `` And when do you sail ? '' `` Wednesday , at twelve o'clock sharp . What are the names ? We do n't want any mix-up in this rush . '' The names were put down , and the money for the passage paid over , and with their tickets in their pockets the three struggled to get out of the crowd , which was growing more dense every minute .