eight o'clock
`` You will understand , '' he added , `` that the information which Mr. Chalmers has just given you concerning myself is entirely confidential . '' Nigel nodded . `` We three will have a little talk to ourselves afterwards , '' he suggested . `` At eight o'clock -- Number 17 , Belgrave Square . '' Jesson strolled away after a little desultory conversation . Chalmers looked after him thoughtfully . `` Harmless-looking chap , is n't he ? ''