half
past ten o'clock
Now if you want to speculate you order your brokers , for instance , to ` buy a thousand shares of B. Sell five thousand shares of G and ten thousand shares of C. ' That 's all . Next morning you wake up to find yourself ten or fifteen thousand dollars richer -- '' `` Or poorer , '' added Mr. Stuart . `` I must say , Ruth , that your explanation is very lucid . Take the girls down to my office , leaving here at half past ten o'clock . I shall have my morning mail disposed of by that time and my day 's orders issued , then my time will be at your disposal . Sallie , are you going with the girls ? '' `` No , thank you .