University of Bristol - Historical Photographs of China reference number: Sw01-013. G W Swire referenced each negative in this album with the prefix A written in white ink. This negative is referenced A11. The album itself has also been archived at some stage with the reference P2/II. The 'Stern-line Swing' or 'Swinging Berth' (turning on a sixpence method) was developed, as the river was too narrow to allow vessels to turn without the aid of a tug. Paoting (Baoding, 保定, 1891-1923) in Haihe (海河), Tientsin (Tianjin).
The 'Paoting' turning in Tientsin