Hepatitis B prefilled disposable syringe, 1993.

Hepatitis B prefilled disposable syringe, England, 1993.

Captain Cook's sextant, c 1772.

Trade card of Lenoir, optician, 19th century.

Catalogue of Henry Pyefinch, instrument maker, c 1800s.

A copper plate used for Cornelius Varley's trade card, c 1800s.

Wall 35mm cine camera, c 1948.

Wall 35mm cine camera, c 1948.

Wall 35mm cine camera, c 1948.

Trade card of F Braga, scientific instrument maker, 19th century.

Schmidt and Haensch polarimeter, c 1900.

Lenses from a Devon lighthouse, Science Museum, London, 1987.