22nd June 1913 - No. 4 hydraulic coal hoist under construction at Penarth Dock the work of the East Ferry Road Engineering Company Limited. The note at the side of the photograph states :

6 Ton Crane cylinder in position.
4 and 6 Ton Crane ready for lifting.

The original of this photograph is held at the archive of the National Museum of Wales. [Museum item number : 83.170I] [629] [20180501]