View of pumping out Queensferry North West Caisson with men posed, one in the centre, others around the caisson.

View over field of the three piers with Inchgarvie pier and island and Fife pier obscured by sea fog.

Photograph of the view of south central girder [extending from Inchgarvie cantilever] taken from Queensferry cantilever, showing the gap that needs to be connected between the two. Jubilee crane is in use on the girder.

Photograph of a group of three women, a child and three men posed on a small bank. The man on the right of the group is Forth Bridge designer Benjamin Baker.

Photograph of workers posed on seabed foundations in Inchgavie south west caisson air chamber.

Photograph of riveters posed with a riveting machine on the drill roads.

Workers, posed, on sea bed foundations in the Queensferry north west caisson, with William Arrol's (the Forth Bridge contractor) invention, the hydraulic spade (photograph taken in artificially created conditions below water).

Bedplate at Queensferry north east pier.

Forth bridge consulting engineer Sir John Fowler and Lady Fowler posed on chair in room at Braemore, Ross-shire.