Photograph of a lac factory in Ranchi with men, some with umbrellas, and boys standing in front of buildings in the late 19th or early 20th century.

Architectural drawings (45cm x 64cm) by Percy Johnson-Marshall, for his final thesis project "An aircraft factory for Liverpool" undertaken as a fifth year student at the Liverpool School of Architecture. These are the internal drawings, drawn in pencil with water-colour wash.

Photographs of architectural drawings (20cm x 30cm) by Percy Johnson-Marshall, created for his final thesis project "An aircraft factory for Liverpool", undertaken as a fifth year student at the Liverpool School of Architecture.

Press-clipping from the Liverpool Daily Post dated 10 February 1937 showing an architectural drawing by Percy Johnson-Marshall, for his final thesis project "An aircraft factory for Liverpool" undertaken as a fifth year student at the Liverpool School of Architecture.

Architectural drawings (65cm x 102cm) by Percy Johnson-Marshall, for his final thesis project "An aircraft factory for Liverpool" undertaken as a fifth year student at the Liverpool School of Architecture. These are the sections, plans, elevations and perspective drawings.

Architectural drawings (78cm x 125cm) by Percy Johnson-Marshall, for his final thesis project "An aircraft factory for Liverpool" undertaken as a fifth year student at the Liverpool School of Architecture. These are the detailed technical drawings in ink on linen.

Photograph of men and machinery in the Atherton Estate Factory [Malaysia] in the early 20th century.

Photograph of the cotton factory, "Jauja" in Tepic [Mexico] in the early 20th century.

Photograph of a group of people standing in front of the Condensed Milk Factory in the early morning next to a row of horse drawn wagons in Wallacetown, Southland, New Zealand in the early 20th century.

Photographs of the interior of a coagulating shed showing the methods of washing and making sheet rubber by manual labour and the interior of a drying shed showing newly-made sheets (while) in different stages of drying. In the foreground note trays of 'scrap' rubber.