Six o'clock
Mind , you 're not to go with him on any account ; an ' if you should run against this Glass on your way , give him a wide berth -- go straight home to Stimcoe 's -- do _ anything _ but lay him on to my trail by comin ' back to tell me . Understand ? There , now , hark to the town clock chimin ' below there ! Six o'clock it is -- four bells . If you 're not back agen by seven I shall know what 's happened an ' take steps accordin ' . An ' _ you 'll _ know that I 'm on my way to your father by another tack . ` What tack ? '