Samples of polyethene, c. 1935.

1935

Triangular polythene medallion

1938

Daily Herald Photograph: Salt Production

1945-11-08

Daily Herald Photograph; Salt Production

1932-10

Daily Herald Photograph; Salt Production

1945-11-08

Daily Herald Photograph; Salt Production

1945-11-08

Keracolor Sphere TV set

1970

Polythene pill box

1936

Pilot plant equipment for the manufacture of polythene, 1938.

1936-1938

Daily Herald Photograph: Salt Production

1945-11-08

Daily Herald Photograph; Salt Production

1932-10

Daily Herald Photograph; Salt Production

1932-10-30

Daily Herald Photograph; Salt Production

1945-11-08

Daily Herald Photograph; Salt Production

1945-11-08

Daily Herald Photograph; Salt Production

1945-11-08