About 1890, but it could be considerably earlier, possibly as early as 1870.
NA
Collection of A. Taylor
UKN
NA
Caption: Lowestoft Harbour
This is a glass magic lantern slide. There is quite a pile of construction debris and sand near the area where the swing bridge starts, so it could be during the construction of the bridge, as well as some sort of pile driver or dredger by the water's edge.