about twelve o'clock
Presently the telephone bell rang . It was Blenkiron who spoke . ` Go down and have a talk with your brokers about the War Loan . Arrive there about twelve o'clock and do n't go upstairs till you have met a friend . You 'd better have a quick luncheon at your club , and then come to Traill 's bookshop in the Haymarket at two . You can get back to Biggleswick by the 5.16 . ' I did as I was bid , and twenty minutes later , having travelled by Underground , for I could n't raise a taxi , I approached the block of chambers in Leadenhall Street where dwelt the respected firm who managed my investments .