'Magnetising an iron rod', 1600.

Calendar table timepiece with detachable alarm, German, c 1600.

'Super Scotrail Offer - Bargain Single to

International Harvester Mogul tractor, 1916.

"Three French airships, Liebig trade card, c 1910. "

Amy Johnson's single seater de Haviland Moth biplane, 'Jason', 1930.

John Standing, 'The Brighton Matchman', 1829.

'Old Furnaces', 1789. From 'oeuvres de

German Albatros DV single seater fighter, 1917.

Savery's single receiver engine, c 1702.

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

'Stirling Single' 4-2-2 steam locomotive No