eleven o'clock
All the morning the tubes remained directed toward the mountain heights , each with its anxious group around it ; but the white deserts were vacant . 1 . Sir George Young and his brothers James and Albert . At last , toward eleven o'clock , the people who were looking through the telescopes cried out `` There they are ! '' -- and sure enough , far up , on the loftiest terraces of the Grand Plateau , the three pygmies appeared , climbing with remarkable vigor and spirit . They disappeared in the `` Corridor , '' and were lost to sight during an hour . Then they reappeared , and were presently seen standing together upon the extreme summit of Mont Blanc .