He crossed the floor at his leisure, and sauntered to the window, watched by them with impatience.

He drew aside the curtain, and tried each of the bars, and peered through the opening both up and down, An oath and an expression of wonder escaped him.

The bars were standing, and firm and strong; and it did not occur to him that we could have passed between them.

I am afraid to say how few inches they were apart.
As he turned, he cast a casual glance at the bed--at us; and hesitated.
He had the candle in his hand, having taken it to the window the better to examine the bars; and it obscured his sight.

He did not see us.