Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
tunneling shield
|
| gptkbp:countryOfOrigin |
gptkb:United_Kingdom
|
| https://www.w3.org/2000/01/rdf-schema#label |
Greathead shield
|
| gptkbp:influenced |
modern tunnel boring machines
|
| gptkbp:introduced |
late 19th century
|
| gptkbp:inventedBy |
gptkb:James_Henry_Greathead
|
| gptkbp:material |
iron
|
| gptkbp:notableProject |
gptkb:Tower_Subway
|
| gptkbp:relatedTo |
gptkb:Brunel_shield
|
| gptkbp:usedFor |
tunnel construction
|
| gptkbp:usedIn |
gptkb:London_Underground
|
| gptkbp:bfsParent |
gptkb:James_Henry_Greathead
|
| gptkbp:bfsLayer |
6
|