seven o'clock
`` We 've got to take our chance of that happening , '' he was told ; `` but we know how nearly every boy would act . Besides , scraps of paper have begun to seem worth something in Dock 's eyes lately . The chances are three to one he 'll get it . '' `` Well , I 'll meet you at just seven o'clock to-night at the old smithy , and we 'll lay the trap when we hear his whistle up the road . Dock always whistles when he 's out after dark . I think it must help him keep his courage up . '' The church bells had just started to ring seven when the two boys came close to the old blacksmith shop that had been deserted when Mr. Siebert moved to a better location .