Technical drawing of a Watt steam engine, 1787.

James Watt, Scottish engineer, c 1800s.

Copy of a coat of arms from stained glass, 1839.

Blueprint drawing of components of the locomotive 'Puffing Billy', one of a set 57 (originally 63) prepared by the Central Railway Workshops, Bavaria.

Copy of a coat of arms from stained glass, 1839.

'Ostend Packet in a Squall', 1824.

Printing, c 1574.

Boulton and Watt's 'Sun and Planet' engine, 1797.

Boulton and Watt's 'Sun and Planet' engine, 1797.

Double-acting rotative steam engine by Boulton & Watt, 1797.

Boulton and Watt's 'Sun and Planet' engine, 1797.

Boulton and Watt's 'Sun and Planet' engine, 1797.