sentences:  The twelfth locomotive was a one-off order, similar in design to her two sisters purchased in 1905.Built in 1908 (Beyer Peacock works number 5126), and named after company director W. A. Hutchinson, she was delivered to the railway with Salter safety valves and a deeper tone of whistle than had previously been employed.Still in service today, she has always been one of the most active members of the fleet, perhaps only surpassed by No.