Edison's filament lamp, 1879.

Early specimen of artificial silk, 1883.

Laryngoscope, late 19th century.

Ultraviolet sun lamp, 1928.

Two Clanny safety lamps, 1869-1874, and 'bonnetted' Clanny lamp, c 1882.

Hut and garden model made from extruded playstuff, 1996.

Swan's electric filament lamp, 1878-1879.

Sea shell used as floating wick lamp from Thurso, Scotland, c 18th century.

Portable lamp used by the Midland Railway, 1902.

Thomas Cooke & Sons siderostat, 1876.

First wireless detector to use a thermionic valve, 1904.

Equatorial telescope made by Thomas Cooke and Sons Limited, York, 1921.