5-valve R1 Radio receiver, 1922.

sponge

Rubber ball from Peruvian child's grave (re

Colby's compensation bars, Ireland, 1827-1828.

Vulcanite plaques (two in one frame), c 1840.

Vulcanite plaque, c 1840.

Vulcanite plaque, c 1840.

Ros 'pop' safety valve, c 1904. This is a

Protective grey rubber glove, 1946.

Rubber glove former, c 1996.

Closed carriage, mid 19th century.

'Cholera Preventive Costume', March 1832.