“There are two combination locks on the outer doors, two more on the inner doors.�
“So it requires the knowledge of four combinations to get into the vault?�
“Yes.�
“Did Edythe know those combinations?�
“She did at one time. Whether she remembered them or not, I could not say.�
“How did it happen that she knew them at all?�
“She wrote them down for me in the little book where I keep them. I remember now, at that time I suggested to her that it would be well if she kept copies of them, in case anything should happen to me, and I think she did so, although the subject has never been mentioned between us since that time.�
“Wouldn’t it have been better to have deposited copies of the combinations with your bankers, or in one of your safe-deposit boxes in the city, to be used in case of accident to yourself?�
“I suppose so. In fact, that has been done; but I did not think of it at the moment. I preferred that Edythe should hold the secret herself.�