General Hamley, an eyewitness, says "some four or five minutes."
His could only be the impressions of an eyewitness in an orbit limited to his Brigade.
From beginning to end the scene was one which no eyewitness ever could forget.
But at length I was eyewitness of an episode that explained the puzzle.
There was a glorious crash coming, and for his part he meant to be an eyewitness.