Detail of a radio beacon at the National Museum of Scotland, Edinburgh.

Detail of the sculpture of James Watt in the National Museum of Scotland, on Chambers Street in Edinburgh.

Colonnade of arches at the University of Glasgow.

Detail of a fresnel lens designed by David Stevenson for Inchkeith Lighthouse at the end of the 19th century and now part of the National Museum of Scotland on Chambers Street in Edinburgh. This first order dioptric holophotal revolving light showed a flash every half minute and made one complete revolution in four minutes.

Detail of the drivetrain of the South African Railways locomotive No. 3007, a 4-8-2 15F class engine that was built in Glasgow in 1945 and brought back and restored as an exhibit in the Riverside Museum in Glasgow (aka the Transport Museum).

Detail of the propeller and engine of a YAK-52 at the Leuchars Airshow.

The nose of an RAF Eurofighter silhouetted against the morning sun at RAF Lechars.

Four Extra EA 300L aeroplanes from the Blades Aerobatic team cavort at the 2010 Leuchars Air Show.

The RRS Discovery in Dundee. The Discovery is believed to be the last ‘traditional’ wooden three-masted ship to be built in Britain although her peculiar design, construction and rigging actually make her one of the strangest square riggers every built.

Multi-coloured window jambs on an office building in central Brussels. From head on the building looks fairly normal: its only when you look up and along the walls that the hidden colours become visible.