ten o'clock
With that , he slipped into my hand a chisel , a file , and a saw . I received the implements with great joy , and thrust them into my bosom . I waited for bright moonlight ; it was necessary that I should work in the night , and between nine and seven . It was ten o'clock when I first took off my handcuffs . I then filed through my fetters , and next performed the same service to the three iron bars that secured my window . All this was the work of more than two hours . But , even with the bars removed , the space was by no means wide enough to admit the passing of my body .