They focus on industrial life, police training, streets, inside buildings and early aerial shots. They are a fascinating glimpse into how our city used to be.
5. Preston nostalgia
This photo was taken on July 26 1969. Billionaire Philip Green was urging Marks & Spencer shareholders to use their AGM to voice support for his proposed takeover offer | Getty Images
6. Preston nostalgia
Messrs Swainson, Birley and Co's textile factory near Preston, Lancashire. Original Artwork: Engraved by J Tingle after T Allom | Getty Images
7. Preston nostalgia
Cotton fibre is being wound onto bobbins before spinning at Horrock's works in Preston, Lancashire. | Getty Images
8. Preston nostalgia
A factory worker preparing the warp for the loom at Horrocks's, Crewdon & Co, Preston, 'the greatest cotton mills in the world'. This was circa 1905 | Getty Images