eight o'clock
There was certainly greater pressure upon him that he had ever felt , and his revolutions had increased from six and three-quarters to eight and a third per minute . But the uproar between the narrow , weed-hung walls annoyed the Grey Cat . `` Is n't it almost time , '' she said plaintively , `` that the person who is paid to understand these things shuts off those vehement drippings with that screw-thing on the top of that box-thing . '' `` They 'll be shut off at eight o'clock as usual , '' said Rat ; `` then we can go to dinner . '' `` But we sha n't be shut off till ever so late , '' said the Waters gaily . `` We shall keep it up all night . '' `` The ineradicable offensiveness of youth is partially compensated for by its eternal hopefulness , '' said the Cat .