'Mountains', c 1850's.

Sir Francis Beaufort, c 1850.

'Machine for Sawing and Polishing Marble', 1815.

Singer lock-stitch electric sewing machine, 1936.

Telescopes set up for use, 1673.

'Geological Map of Scotland', c 1850's.

'Geological Map of Ireland', c 1850's.

Boulton and Watt rotative engine, 1788.

Boulton and Watt rotative steam engine, 1788.

'New aerial Machine', late 19th century.

Woman using a sewing machine, 1862.

James Watt, Scottish engineer, late 18th century.