Samples of polyethene, c. 1935.

1935

Polyethylene terephthalate filaments spool, 1943-1944

1943-1944

Polyethylene terephthalate filaments spool, 1943-1944

1943-1944

Triangular polythene medallion

1938

Spools of polyethylene terephthalate filaments, 1943-1944.

1943-1944

Polyethylene terephthalate filaments spool, 1943-1944

1943-1944

Sample of extruded polyethylene, 1938

1938

Polythene walking stick

1938

Cascelloid plastic 'Sqezy' washing-up liquid bottle, 1958.

1958

Apparatus used to discover polyethylene, 1933.

1933