Ivory diptych sundial, 1651-1700.

Ivory diptych sundial, 1651-1700.

Ivory diptych sundial, 1651-1700.

Universal ring dial, English, 1734-1796.

Universal ring dial, French, 18th century.

Magnetic Sundial, mid 18th century.

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

Sundial by Edmund Culpeper.

Midland and Scottish Railway van drivers attending a road safety course at Sutton Park near Birmingham, c.1937.

Ear, nose and throat organs, 19th-20th century.

Ear, nose and throat organs, 19th-20th century.

Ear, nose and throat organs, 19th-20th century.