Sand glass, 19th century.

Swab with case used for diphtheria testing, 1935-1945.

Tubes of penicillin in wooden case, c 1950s.

Kaleidoscope, Brewster's patent, silver plated brass, painted/shellaced tube covering, by Philip Carpenter, Birmingham, England, c.1820

Inside of the Marconiphone model 702 mirror-lid television receiver, c 1936.

Tubes of penicillin, c 1950s.

Priestly-Smith fusion tubes and leather case, 1895-1898.

Gallery 13, Science Museum, London, November 1932.

Marconiphone model 702 mirror-lid television receiver, c 1936.

Medicine chest and assorted medicinal items, 1750-1950.

Electrical chimes and fulminating tubes, 1780s.

Wooden travelling candlestick, probably 19th century.