two o'clock
Jimmie heated some Boston baked beans left over from the preceding night 's supper , and made a pot of coffee . A loaf of bread and some cheese afforded ample substantial , as Jimmie declared when he could eat no more . Still there were no signs of either of the other boats above . They could see various river craft moving about , but though Jack used his glasses diligently up to two o'clock he had discovered nothing of the others . `` Say , this looks bad for a beginning , '' he observed , as three o'clock came , and he took the glasses again to sweep the upper river . `` Already we have a start of four hours on both our rivals . Perhaps after all George may have to explore some of those cut-offs Nick dreads so much , in order to make up for time lost while tinkering with that blessed old engine of his , that breaks down once in so often . ''