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