Bronze Exchequer Standard Winchester Gallon measure, 1601.

Bronze Exchequer Standard Winchester Quart measure, 1601.

Bronze Exchequer Standard Winchester Gallon measure, 1601.

Bronze Exchequer Standard Winchester Quart measure, 1601.

Bronze Exchequer Standard Winchester Pint measure, 1601.

Model diving bell, with sinking weights, 1752.

Equal arm postal balance, 1850-1880.

Model diving bell, 1752.

Tower of London standard yard rod, 1659.

Preparing lunch on the Imperial Airways aeroplane 'Scylla', 19 November 1936.

Telluric screw of de Chancourtois, c 1862.

Sentinel Standard steam wagon, 1917.