four o'clock
Storri programmed a crime , the black audacity of which went far beyond that dark-lantern enterprise of Treasury gold upon which London Bill was so patiently employed . The design possessed the simplicity , too , which is a ruling feature of your staggering atrocity . The gold would be going aboard the _ Zulu Queen _ on Friday , Saturday , and Sunday nights . With the first blue streaks of dawn on Monday , May thirtieth , say at four o'clock , the _ Zulu Queen _ , thinking on escape , must up anchor and go steaming down the Potomac . Now what should be less complex than to have Benzine Bob set fire to the Harley house an hour before the time to sail ? A bundle of combustibles soaked in kerosene could be introduced into Senator Hanway 's study ; the details might be safely left with Benzine Bob , to whom opening a window or taking out a pane of glass offered few deterring difficulties . The Harley house would be instantly filled with fire and smoke .