


Miner's wedge 2lb.

Slider wedge

Miner's iron wedge

Four wooden wedges, used by Joseph Bramah in his workshop

Coal splitting wedge.

Large wooden wedge for manoeuvring stone blocks

Mason's wedge (iron)
1874

Curved rectangular wedge

Patent wedge for coal, mkd. IV-99

Ancient wedge (bergeisen) found in Cwmsymlog mine

Coal splitting wedge.

Coal wedge.
circa 1750s

Coal splitting wedge.
Coal splitting wedge.
Coal splitting wedge.
Tramway wedges
coal mining wedge
Coal wedge
circa 1740