Hammer of polished basalt from Lough Erne, Fermanagh, Northern Ireland

Cast of a ceremonial weapon, from Malms, Finland

Hammerstone with a slight groove round the middle, from Kirklauchline, Wigtownshire

Bronze socketed hammer from a hoard from Adabrock, Lewis, Late Bronze Age, 950 - 750 BC

Hammerstone of sandstone, worn at both ends by use, from Kenny's Cairn chambered cairn, also known as Cairn Hanach, Caithness, Highland

Hammerstone, from Galson, Barvas, Lewis, Ross and Cromarty

Hammerstone, from Galson, Barvas, Lewis, Ross and Cromarty

Hammerstone used for making stone axes, from a lake-dwelling, locality unknown

Iron head of a smith's hammer, from a Viking burial at Ballinaby, Islay

Small hammer, one of collection of miners' tools as used in Canonbie Colliery

Hammer for use with single-handed stone blasting gear

Hammer and milling stone: Japan, Musashi province, Mitsusawa shell-mound,

Hammer and milling stone: Japan, Musashi province, Mitsusawa shell-mound,

Hammer and milling stone: Japan, Musashi province, Mitsusawa shell-mound,

Flaking hammer stone: Japan, Musashi province, Mitsusawa province, Stone Age

Hammer-stone, cylindrical with hollowed ends, used to grind pigment: Australasia, Australia, Australian Aboriginal, 19th to 20th century