Balance spring pocket watch in silver case, 1675-1679.

Bone forceps, 1917.

Mantelpiece clock, 1874.

Two pocket watches, c 1705 and c 1660.

Cased verge watch, French, c 1650.

Asayer's Balance, after Ercker, 1574.

Heurtley magnifier, 1919.

Heurtley magnifier, 1919.

Metallurgical analysis equipment, 19th century.

Balance level, 17th century.

Replacement case from Shelton regulator clock, 1882.

'How to build a two valve set', No 5, Godfrey Philips cigarette card, 1925.