half past ten
But Alan had gone to Gravesend . Like an inspiration the thought came to Mortimer that he must go after him and get the money before it was lost . He shoved the box back in its place , and came out into the office . It was half past ten by the clock . Luckily the cashier had not come yet . Mortimer 's mind worked rapidly . He must make some excuse and get away ; anything ; he must even lie ; if he saved the boy it would be justifiable .