about one o'clock
Did it mean -- ? What could it mean ? Almost certainly it was some sort of fire , near or remote , but he could not even tell whether it was smoke or cloud drift that streamed across the sky . But about one o'clock there began a flickering of searchlights athwart that ruddy tumult , a flickering that continued for the rest of the night . That too might mean many things ? What could it mean ? What did it mean ?