Sentinel 0-6-0 No. PBA 39 and PBA 40 at Avonmouth docks 14:5:82 Published September 30, 2014 at 1772 × 1153 in The Engines of Avonmouth Sentinel 0-6-0 No. PBA 39 and PBA 40 at Avonmouth docks 14/5/82 (Courtesy Kevin Hughes/RCTS)