Scottish traditional wooden lock, 1740-1760.

Design for an iron bridge, 1796.

'Part of a bridge composed of Iron Staves', 1796.

Design for a wooden bridge, 1796.

Lancashire & Yorkshire Railway signal cabin lever frame locking box brackets

Carved wooden medicine box, African.

Wheel-lock tinder box, early 16th century.

British standard steel rails, cast iron chairs and wooden sleepers, 1924.

British standard steel rails, cast iron chairs and wooden sleepers, 1924.

Metal-reinforced wooden spade, 19th century.

Metal-reinforced wooden spade, 19th century.

Metal-reinforced wooden spade, 19th century.