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Image
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11
Non-Commercial Use
11
Category
Coal Mining
7
Mining & Ore Dressing
6
Hand and Machine Tools
2
James Watt's Garret Workshop
1
Locks & Fastenings
1
Mechanical Power Transmission
1
Collection
Lancashire Coal Mining Collection
7
Maker
Watt, James
1
On Display
Science Museum
1
Energy Hall: James Watt and our World
1
Object type
wedge
18
Place
Egypt
1
United Kingdom
1
Unknown place
1
unknown place
1
Material
iron
2
steel
1
wood
1
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Miner's wedge 2lb.
Large wooden wedge for manoeuvring stone blocks
Miner's iron wedge
Patent wedge for coal, mkd. IV-22 D.S.&.A.
Coal splitting wedge.
Mason's wedge (iron)
1874
Slider wedge
Ancient wedge (bergeisen) found in Cwmsymlog mine
Patent wedge for coal, mkd. IV-99
Coal splitting wedge.
Coal splitting wedge.
Coal splitting wedge.
Elliott wedge
Elliott wedge
Coal splitting wedge.
Coal splitting wedge.
Coal splitting wedge.
Coal splitting wedge.
Iron coal wedge, c.1740.
Coal wedge
circa 1740
Iron coal wedge.
Coal wedge.
circa 1750s