Collection
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
Collection
Search
About
Search
About
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Science and Innovation Park
Search our collection
All
16
People
0
Objects
16
Documents
0
View:
Filter search
Clear all filters
Image
Has Image
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
On Display
Science Museum
1
Energy Hall: James Watt and our World
1
Object type
wedge
18
Maker
Watt, James
1
Place of origin
Egypt
1
United Kingdom
1
Unknown place
1
unknown place
1
Date
From
To
filter
Miner's iron wedge
Patent wedge for coal, mkd. IV-22 D.S.&.A.
Large wooden wedge for manoeuvring stone blocks
Coal splitting wedge.
Miner's wedge 2lb.
Mason's wedge (iron)
1874
Slider wedge
Coal splitting wedge.
Patent wedge for coal, mkd. IV-99
Ancient wedge (bergeisen) found in Cwmsymlog mine
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
Coal splitting wedge.
Coal splitting wedge.
Elliott wedge
Elliott wedge