Tower Bridge under construction, 1892.
Catalogue reference: COPY 1/408

Constructing airship R101, 1924.
Catalogue reference: AIR 11/233

Bridge construction, Pontardulais, 1937.
Catalogue reference: BD 31/70

Station concourse automated dispenser, 1950.
Catalogue reference: AN 15/2

Multi-level car parking, 1959.
Catalogue reference: DSIR 4/3533

North Sea oil rig being towed to sea, 1966.
Catalogue reference: POWE 46/4